Husqvarna Fs 4800 D Manual

							
41

SPÉCIFICATIONS DU FS 4800 D DIESEL
Modèles standards et CE 
						

							
42
SPECIAL INSTRUCTIONS 
FOR CHANGING BLADE SPEED ON CONCRETE /  ASPHALT SAWS
WARNING: Do not exceed blade shaft speed shown for each blade size.  Excessive blade speed 
could result in blade breakage and serious personal injury.
NOTE:  As shown on the chart, some blade guards accept more than one size blade\
.
Engine Speed / Blade Size
    Velocidad del motor  / Tamaño de la hoja
Régime moteur/taille de disque
INSTRUCCIONES ESPECIALES 
PARA CAMBIAR LA  VELOCIDAD EN LAS SIERRAS PARA  HORMIGÓN / ASFALTO
ADVERTENCIA:  No sobrepase la velocidad del eje de la hoja indicada para cada tamañ\
o  
      de hoja.  La velocidad excesiva de la hoja podría causar la rotura de la hoja  
     y graves lesiones personales.
NOTA:    Tal como se indica en la tabla, algunos protectores de hojas aceptan má\
s  
        de una hoja de un tamaño.
INSTRUCTIONS SPÉCIALES 
POUR LE  CHANGEMENT  DE  LA  VITESSE  DU  DISQUE  SUR  LES  SCIES  À  BÉTON/ASPHALTE
AVERTISSEMENT :  Ne pas faire tourner l’axe du disque à une vitesse supérieure à celle spécifiée  
      pour chaque taille de disque. Une vitesse excessive pourrait faire casse\
r le  
     disque et provoquer des blessures graves.
REMARQUE :   Comme indiqué sur le tableau, certaines protections de disque convien\
nent  
        à plusieurs tailles de disques. 
						

							
43
ENGINE INFORMATION
The saw is equipped with a Yanmar Diesel Engine. Yanmar strongly recommends that you 
register your engine as soon as possible after purchase in order to faci\
litate any future warranty 
matters. You can register on-line at www.yanmar.co.jp. See the Yanmar engine manual included 
with the saw for more details.
INFORMACIÓN DEL MOTOR
La sierra está equipada con un motor diesel Yanmar. Yanmar le recomienda encarecidamente 
que registre el motor tan pronto como sea posible después de la compra con el fin de facilitar  
cualquier asunto relacionado con la garantía en el futuro. Puede registrarlo on-line en www.yanmar.
co.jp. Para más detalles, consulte el manual del motor Yanmar que se incluye con el motor.
INFORMATION SUR LE MOTEUR
Cette scie est dotée d’un moteur diesel Yanmar. Yanmar recommande fortement 
d’enregistrer ce moteur aussitôt que possible après l’achat afin de faciliter le règlement de toute 
question future concernant la garantie. Pour l’enregistrer, se rendre au site : www.yanmar.co.jp. 
Pour de plus amples détails, consulter le manuel du moteur Yanmar fourni avec la scie. 
						

							
44

SERVICE DAILY: 
1. Check engine oil level.
2. Check blade guard for damage.
3. Check hoses and clamps for damage or looseness. 
Tighten or replace as necessary.
4. Check  air  cleaner AIR  RESTRICTION  INDICATOR 
(1N). Replace primary air filter if indicator is red.
5. Make  sure  all  safety  guards  are  in  place  and  in  
good condition.
6.  Drain Water from ENGINE GEARBOX (3-1A, 3-2A) 
using WATER DRAIN VALVE (3-1C, 3-2C).
 
SERVICE EVERY 50 HOURS: 
1. Inspect Radiator Air Filter and clean as necessary.
2. Check blade drive V-belt tension. Tension both sides 
evenly. DO NOT over tension!!!
3. Lubricate front wheel bearings.
4. R e p l a c e   H y d r a u l i c   S y s t e m   F i l t e r.   ( F i r s t   5 0  
hours only.)
SERVICE EVERY 100 HOURS:
1. Replace engine oil and filter.
2. Lubricate front axle pivot bearings.
3. Check wheels for wear or damage.
4. Check rear wheel hubs and wheels for looseness.
5. Check engine air cleaner hose and clamps.
6. Check hydraulic system fluid level.
SERVICE EVERY 250 HOURS:
1. Replace Hydraulic System Filter
2. Grease Blade Shaft 2 pumps each end.
SERVICE EVERY 500 HOURS:
1. Replace Engine gearbox fluid.
2. Replace hydraulic system fluid.
3. Replace engine fuel filter (spin-on type).
SERVICE YEARLY:
1. Replace air filter primary and safety element.
PRE OPERATION CHECkLIST
Before leaving our factory, every machine is thoroughly tested. Follow our instructions strictly 
and your machine will give you long service in normal operating conditio\
ns.
Before starting up the machine, make sure you read these entire Operatin\
g Instructions and are 
familiar with the operation of the machine.
MACHINE SET-UP:
ALWAYS park machine on a level surface with the engine “OFF” and the i\
gnition switch set in the 
“0” (OFF) position before performing any maintenance. Let the ma\
chine cool down!!
1. Check engine oil. Fill to the full mark on dip stick with 15W40 oil.
2. Connect battery cables.
1 - 2 HOUR OPERATION CHECk LIST:
ALWAYS park machine on a level surface with the engine “OFF” and the i\
gnition switch set in the 
“0” (OFF) position before performing any maintenance. Let the ma\
chine cool down!!
1. Check the engine air cleaner hose clamps. Tighten as required.
2. Tension the blade drive V-belts. DO NOT over tension!!
SCHEDULED MAINTENANCE QUICk REFERENCE
Before performing any maintenance, ALWAYS park the machine on a level surface with the engine 
“OFF” and the ignition switch set in the “OFF” position. Let\
 the machine cool down!! 
						

							
45

Serious  injury  can  occur  to  the  operator  or 
people in the work area if the rotational speed 
(n/min) of the DIAMOND BLADE (2E) exceeds 
the  maximum  speed  (n/min)  marked  on  the 
DIAMOND BLADE (2E).
1H.  ENGINE  START  SWITCH:  Start  and  stop  the 
engine  using  this  switch.  Also  preheats  engine 
when pressed inward.
1I.  VOLTAGE  GAUGE:  Shows  the  voltage  of  the 
electrical system.
1J.  AXLE ADJUSTMENT SWITCH or DIFFERENTIAL 
SWITCH: AXLE  ADJUSTMENT  SWITCH  (Front 
Pivot  Model  Only):  Toggle  switch  to  adjust  rear 
drive  axle.  Push  switch  right  to  make  saw  drive 
to  the  right.  Left  to  make  saw  drive  to  the  left.  
DIFFERENTIAL  SWITCH  (Rear  Pivot  Model 
Only): Three Positions to control Pivot or Straight 
or Neutral Mode. Toggle switch to LEFT for Pivot 
Mode. Allows saw to be pivoted on its rear wheels. 
Toggle  switch  to  CENTER  for  Straight  Mode. 
Allows  saw  movement  in  a  straight  line.  Toggle 
switch to RIGHT position (Must be held in position). 
Saw must have engine OFF, and ENGINE START 
SWITCH (1H) in the OFF (“0”) position. Puts saw 
in “Neutral” and allows pushing the machine.
1k.  RED PALM SWITCH: For EMERGENCY STOP of 
the saw. Stops all systems except lights, pull OUT 
to reset. Do not use for routine stopping.
1L.  WATER  SAFETY  SWITCH: Stops  engine  if  
water  supply  to  blade  is  interrupted.  Set  to  
activate switch.
1M.  B L A D E   D E P T H   S TO P  S W I T C H :  A c t i v a t e s 
or  overrides  depth  stop  for  repetitive  cuts  at  
same depth.
1N.  AIR RESTRICTION INDICATOR: Service air filter  
elements when indicator shows a red mark. Reset 
before starting engine.
1O.  SPEED CONTROL LEVER: Controls forward and 
reverse directions, stop, and speed of saw.
1P.  RAISE/LOWER  TOGGLE  SWITCH: L o c a t e d 
on  speed  control  lever.  Use  to  raise  and  lower  
saw. Push up to raise saw upward. Push down to 
lower saw.
1Q.  BLADE  DEPTH  INDICATOR: Displays  cutting 
depth. Sets cutting depth for BLADE DEPTH STOP 
SWITCH (1M).
1R.  HANDLE ADJUSTMENT LOC k: Turn Clockwise to 
lock handle bar in position. Turn Counterclockwise 
to unlock and reposition handlebar.
1S.   WATER INLET: Connects to 3/4” garden hose for  
fresh water supply.
1T.  WATER  VALVE: Controls  water  flow  rate  to  cool 
the blade.
1U.  SAW  LOWERING  SPEED  CONTROL  kNOB: 
Turn knob clockwise to slow lowering speed. Turn 
knob counterclockwise to increase lowering speed. 
Access Knob through rear of machine.
1V.   BLADE CLUTCH SWITCH (If Equipped): Engages 
Blades  Drive.  Engage  only  with  engine  RPM  at 
FIGURE 1
1A. kNOB: Use to tighten operator grip handles.
1B. HANDLE BARS: For operator gripping. DO NOT 
use to lift the saw. (Same as 6G)
1C. H O U R   M E T E R :  R e c o r d s   e n g i n e   h o u r s   o f 
operation.
1D.  ----
1E.  WATER  TEMPERATURE  GAUGE:  Water/Glycol 
i s   t h e   c o o l a n t .   M o n i t o r s   t h e   e n g i n e   c o o l a n t 
t e m p e r a t u r e .   M a x i m u m   S a f e   t e m p e r a t u r e  
is 220° F.
1F.  ENGINE  THROTTLE: Controls  Engine  RPM. 
Push  Red  Button  to  unlock.  Push  in  to  decrease  
RPM. Pull out to increase RPM. Or Turn Clockwise 
t o   i n c r e a s e   R P M .   Tu r n   c o u n t e r c l o c k w i s e   t o 
decrease RPM.
1G.  TACHOMETER: Displays  engine  speed  (RPM, 
n/min),  or  blade  shaft  speed  (RPM,  n/min)  if 
equipped with TACHOMETER SELECT SWITCH 
(1Z),  else  displays  only  engine  speed  (RPM,  n/
min).    Select  TACHOMETER  display  by  moving 
TACHOMETER SELECT SWITCH (1Z) to desired 
position  (If  equipped).    Three-speed  gearbox 
models  have  color  bands  (green,  yellow,  and 
orange), displayed around outside of tachometer, 
that  relate  GEARBOX  SHIFT  LEVER  (3-2O) 
position (1, 2, or 3) and maximum blade diameter 
(inches  only).    Rotational  speed  (RPM,  n/min)  of 
DIAMOND BLADE (2E) should remain in the proper 
color band during operation.
WARNING:  Take  Notice  of  TACHOMETER 
SELECT SWITCH (1Z) position!  Tachometer 
can indicate Blade Speed or Engine Speed.   
						

							
46

FIGURE 2
2A.  BLADE  SHAFT  BOLT:  Use  to  clamp  DIAMOND 
BLADE  (2E)  between  the  inner  and  outer  flange. 
Right side of saw has left hand threads. Left side 
of saw has right hand threads.
2B.  OUTER FLANGE: Use to hold DIAMOND BLADE (2E)  
in position.
2C.  OUTER  FLANGE  ARBOR:  Use  to  support  the 
DIAMOND BLADE (2E).
2D.  LOCkING PIN: Use to prevent the diamond blade 
from rotating on the shaft during operation.
2E.  DIAMOND  BLADE: Used  as  the  cutting  tool  for 
concrete and asphalt surfaces.
2F.  INNER  FLANGE:  Inside  support  used  to  hold 
DIAMOND BLADE (2E) in position.
2G.  BLADE GUARD NOSE LATCH: Use to latch the 
front part of blade guard down.
2H.  B L A D E   G U A R D   F R O N T:  F r o n t   p a r t   o f   t h e  
blade guard.
2I.  BLADESHAFT: Supports  Blade  Flanges  and 
blade.
2J.  BLADE SHAFT WRENCH: Used to remove BLADE 
SHAFT BOLT (2A). For a 36” (900mm) blade guard 
the BLADE SHAFT WRENCH is used to pivot the 
BLADE GUARD SPADE LATCH (2L) to the open 
position, then the blade guard is removed.
2k.  WIRE  LANYARD: Pull  wire  so  blade  guard  latch 
pivots to allow removal of blade guard (Not avail-
able for CE marked European models with a 36”, 
or 900mm Blade Guard).
1200  RPM  or  less.  Blade  drive  is  engaged  when 
the  BLADE  CLUTCH  SWITCH  (1V)  is  in  the  
“1”  (ON)  position.  To  disengage  the  blade  drive, 
put the BLADE CLUTCH SWITCH (1V) in the “0” 
(OFF) position.
1W.  OIL PRESSURE LIGHT: Lights up when engine oil 
pressure is low & when key is on with engine off.
1X.  A I R   B L E E D   B O LT:  L o c a t e d   o n   O i l   /   Wa t e r 
Separator.  Used  to  remove  air  from  fuel  lines. 
S e e   Ya n m a r   E n g i n e   O p e r a t i o n   M a n u a l   f o r 
details  about  the  AIR  BLEED  BOLT,  and  the  
OIL / WATER SEPARATOR.
1Y.  RADIATOR  COOLANT  OVERFLOW  BOTTLE: 
Recovers  radiator  coolant  when  engine  is  hot. 
Should be 1/4 full when engine is off and cool.
1Z.  TACHOMETER  SELECT  SWITCH: Can  be  set 
to  indicate  either  engine  speed  (RPM,  n/min),  or 
blade  shaft  speed  (RPM,  n/min).    Set  to  upper 
position to indicate engine speed, lower position to 
indicate  blade  shaft  speed.    Standard  equipment 
on machines equipped with three-speed gearbox, 
optional for all others.
WARNING:  Take  Notice  of  TACHOMETER 
SELECT SWITCH (1Z) position!  Tachometer 
can indicate Blade Speed or Engine Speed.  
Serious  injury  can  occur  to  the  operator  or 
people in the work area if the rotational speed 
(n/min) of the DIAMOND BLADE (2E) exceeds 
the  maximum  speed  (n/min)  marked  on  the 
DIAMOND BLADE (2E).
1AA.  REAR  COVER: Remove  only  for  service  of 
machine.  To  remove,  rotate  GUARD  LATCHES 
(1EE)  270  degrees  in  a  Counter-Clock-Wise 
direction. Replace before starting engine. Is not a 
safety guard, but controls air flow through machine 
for proper engine performance.
1BB.  S TO P  P O S I T I O N :  T h e   s a w   w i l l   s t o p   t r a v e l 
movement when speed control lever (1O) is in this 
position. Engine will not start unless Speed Control 
Lever (1O) is in STOP position.
1CC.  MANUAL  AXLE  ADJUSTMENT (Front  Pivot-
Manual Tracking Model Only): Turn bolt to adjust 
rear drive axle. Rotating it to the right (CW) makes 
saw drive to the right. Left (CCW) makes saw drive 
to the left.
1DD. RADIATOR  AIR  FILTER  ELEMENT:  Must  be  in 
place or engine damage will occur. Clean Filter as 
required, or every 50 hours.
1EE.  GUARD LATCH: Used to secure Guards, Shields, 
and  REAR  COVER  (1AA)  in  position. To  remove 
REAR  COVER  (1AA),  rotate  the  latches  270 
degrees  in  a  Counter-Clock-Wise  direction.  A 
slotted model of this latch is used to secure the side 
guards (4 latches per side), to remove side guards, 
use a tool, such as a screw driver, to rotate latches 
270 degrees. 
						

							
47

FIGURE 3-1
3-1A.  ENGINE GEARBOX: Single Speed Model.
3-1B.    WATER  CONNECTION: Circulates  freshwater 
through  gearbox  to  cool  it.  Water  then  flows  to  
the bladeguard.
3-1C.  WATER DRAIN VALVE: To drain water from gear-
box: Turn Counterclockwise to open, Clockwise to 
close. Drain daily to prevent corrosion or damage 
due to freezing temperatures. 
3-1D.  HOOD LATCH: Two latches, located on the front 
frame of the machine secure the ENGINE HOOD 
(6E) in the lowered position. Rotate each latch 180 
degrees,  Counter-Clockwise,  and  the  ENGINE 
HOOD (6E) can be lifted. For European CE models, 
the latch is a slotted design, and a tool, such as a 
screw driver must be used to open the latch.
3-1E.   FLANGE COVER: Guards against FLANGE con-
tact during operation. Always keep in place!
3-1F.   BELT PROTECTOR SHIELD: Keep in place. 
3-1G.  BLADESHAFT TUBE ASSY: Sealed unit contains 
bladeshaft, bearings and shaft seals. 
3-1H. TIEDOWN  LUGS: Used  to  tie  the  saw  down 
while transporting by vehicle. Not to be used to lift  
the saw. 
3-1I. ENGINE  OIL  DRAIN  VALVE: Drains  engine  oil 
without use of tools.
3-1J.  BELT TENSIONING BOLTS: 
2L.  BLADE  GUARD  SPADE  LATCH: Used  to  hold 
the  blade  guard  in  position. To  remove  the  blade 
guard, use the WIRE LANYARD (2K) to pivot the 
inner BLADE GUARD SPADE LATCH to the open 
position, and then lift the blade guard up and off of 
the machine.
2M.  REAR  BOLT: Retains  Blade  Guard  In  position 
(except  36”  and  900mm).  REAR  BOLT  must  
be  removed  before  removing  BLADE  GUARD. 
Always install REAR BOLT in blade guard before 
operating machine.
3-1k. HORIZONTAL CLAMPING BOLTS: 
3-1L.  BLADE SHAFT PULLEY: 
3-1M. V-BELTS: Set of 4, 3 Groove 
3-1N. GEARBOX PULLEY:
FIGURE 3-2
3-2A. ENGINE GEARBOX: Three Speed Model.
3-2B. WATER  CONNECTION: Circulates  freshwater 
through  gearbox  to  cool  it.  Water  then  flows  to  
the bladeguard.
3-2C. WATER DRAIN VALVE: To drain water from gear-
box: Turn Counterclockwise to open, Clockwise to 
close. Drain daily to prevent corrosion or damage 
due to freezing temperatures.
3-2D. HOOD LATCH: Two latches, located on the front 
frame of the machine secure the ENGINE HOOD 
(6E) in the lowered position. Rotate each latch 180 
degrees,  Counter-Clockwise,  and  the  ENGINE 
HOOD (6E) can be lifted. For European CE models, 
the latch is a slotted design, and a tool, such as a 
screw driver must be used to open the latch.
3-2E. FLANGE COVER: Guards against FLANGE con-
tact during operation. Always keep in place!
3-2F. BELT PROTECTOR SHIELD: Keep in place.
3-2G. BLADESHAFT TUBE ASSY: Sealed unit contains 
bladeshaft, bearings and shaft seals.
3-2H. TIEDOWN  LUGS: Used  to  tie  the  saw  down 
while transporting by vehicle. Not to be used to lift  
the saw. 
3-2I. ENGINE  OIL  DRAIN  VALVE: Drains  engine  oil 
without use of tools. 
3-2J. BELT TENSIONING BOLTS: 
3-2k. HORIZONTAL CLAMPING BOLTS: 
3-2L. BLADE SHAFT PULLEY:  
						

							
48

FIGURE 4
4A. BLADESHAFT BEARING SEALS
4B. FRONT WHEEL BEARINGS
4C. FRONT AXLE PIVOT BEARINGS
4D. HYDRAULIC CYLINDER PIVOT PIN
4E. REAR AXLE
4F. HYDRAULIC WHEEL MOTOR
4G. RAISE LOWER CYLINDER
4H. LINEAR ACTUATOR
FIGURE 5
5A. AIR FILTER ASSEMBLY: Includes
 a)  Housing
  b)  Cover
  c)  Primary Outer Element: Clean or replace when 
AIR RESTRICTION INDICATOR (1N) shows the 
RED warning. 
  d)  Inner  Safety  Element: DO  NOT  CLEAN  this 
filter  element.  Replace  1  time  per  year  or  if  it 
becomes damaged. 
5B.    ENGINE OIL DIPSTICk: Check Engine Oil Level 
Here. Dipstick indicates oil level. See engine opera-
tion manual for more information.
5C.   ENGINE OIL FILL: Fill engine with recommended 
oil at this location. Use SAE 15W40 API Class CF,  
CF-4,  CG-4,  or  CI-4  engine  oil.  See  engine  
operation manual for more information.
5D. ENGINE  OIL  FILTER: See  engine  operation 
manual for more information.
5E. FUEL TAN k FILL: Fill the fuel tank at this location.
5F.  FUEL FILTER:
5G. AIR FILTER RAIN CAP
5H. D.C.  (direct  current)  LIFT  PUMP: Raises  and 
lowers the saw.
5I. HYDRAULIC  RESERVOIR  FILL: Fill  and  check 
hydraulic system fluid here.
5J. HYDRAULIC OIL RESERVOIR: 1.5 Quart Capacity 
(1.42 Liter)
5k. H Y D R A U L I C   F I LT E R :  F i l t e r s   h y d r a u l i c  
system fluid.
5L. ----
3-2M. V-BELTS: Set of 4, 3 Groove 
3-2N. GEARBOX PULLEY:
3-2O. GEARBOX SHIFT LEVER: Use to change output 
speed  of  the  ENGINE  GEARBOX  (3-2A).  Three-
Speeds  and  two  Neutral  positions  are  available.  
GEARBOX SHIFT LEVER positions (1, 2, and 3) 
are color coded to match, among others, Gearbox 
Range  /  Blade  RPM  decal.    GEARBOX  SHIFT 
LEVER Operation:
 1)  Turn  ENGINE  START  SWITCH  (1H)  to  OFF  
(“0”)  position.  Always  turn  Engine  OFF  before  
shifting gearbox!
 2 )   Ve r i f y   t h a t   p u l l e y   s i z e ,   f l a n g e   s i z e ,   a n d  
blade  shaft  speed  are  correct  for  the  blade  
size being mounted.
WARNING:  Serious  injury  can  occur  to  the 
operator  or  people  in  the  work  area  if  the 
rotational  speed  (n/min)  of  the  DIAMOND 
BLADE (2E) exceeds the maximum speed (n/
min) marked on the DIAMOND BLADE (2E).
  3) Lift GEARBOX DETENT KNOB (3-2P) and twist 
to hold in “OPEN” position.
 4)  Move  GEARBOX  SHIFT  LEVER  (3-2O)  to  
required  gear.  A  slight  “rocking  motion”  of  the  
gearbox  output  shaft  (or  BLADE  SHAFT)  may 
improve shifting.
 5)  Twist  and  lower  GEARBOX  DETENT  KNOB 
(3-2P) back to original “LOCKED” position.
3-2P.   GEARBOX  DETENT  kNOB:  Locks  GEARBOX 
SHIFT LEVER (3-2O) in position. See GEARBOX 
SHIFT LEVER (3-2O) for operation. 
						

							
49

FIGURE 6
6A. L I F T I N G   B A I L :  T h e   s a w   c a n   b e   l i f t e d   o n l y 
from  this  point.  Do  NOT  lift  the  saw  from  any  
other location.
6B. ----
6C. BELT GUARDS AND SHIELDS: Protects engine, 
guards,  drives,  and  cooling  fan.  Do  not  remove 
during operation, or when engine is running!
DO  NOT  OPERATE  ENGINE  WITH  SHIELDS  OR 
GUARDS REMOVED! 
6D. FRONT  GUIDE: Use  to  locate  the  path  of  the 
diamond blade on the cutting line. 
6E. ENGINE  HOOD: Protects  engine,  cooling  fan, 
beltdrives  and  pulleys.  The  ENGINE  HOOD  is 
a  guard,  and  must  be  latched  in  the  lowered 
position before starting engine and operating saw. 
Open ENGINE HOOD by rotating the two HOOD 
LATCHES  (3-1D,  3-2D)  Counter-Clockwise  180 
degrees. Swing upward and secure using HOOD 
SUPPORT (6H).
6F. REAR  GUIDE: Use  to  locate  the  path  of  the 
diamond blade on the cutting line. 
6G. HANDLEBARS: Used to maneuver the saw. Not 
to be used to lift the saw. (Same as 1B)
6H. HOOD  SUPPORT: Latch  to  secure  the  hood  
in  the  open  position.  Always  lower  and  secure  
the  hood  before  starting  the  engine  or  operating 
the machine.
5M. ----
5N. ----
5O. ----
5P. ----
6I. RADIATOR  COOLANT  FILL: Fill  radiator  from 
this point. Warning: Avoid injury! Built-up pressure 
may cause explosive release of coolant when the 
radiator  cap  is  removed.  Shut  off  the  engine  and 
allow  to  cool.  Do  not  remove  the  cap  unless  the 
radiator and the engine are cool enough to touch 
with bare hands. Slowly loosen the cap to the first 
stop to release all pressure. Then remove the cap. 
Replace cap if damaged. 
6J. TRANSMISSION  BYPASS  VALVE  (Front  Pivot 
Model  Only): Turn  counter  clockwise  to  open. 
Turn clockwise to close. Open to allow pushing of 
concrete saw.
6k. HYDROSTATIC TRANSMISSION PUMP.
6L. ALTERNATOR: See Yanmar for replacements.
6M. A LT E R N ATO R   /   WAT E R P U M P  B E LT:  S e l f 
Tensioning. See Yanmar for replacements.
FIGURE 7
7A.  PARkING  BRA kE  (CE  Models  or  Rear  Pivot 
models-If  Equipped): Holds  machine  in  parked 
position on a slope of 10 degrees or less.  PARKING 
BRAKE (7A) located on left hand side of machine, 
at rear wheel (See FIG 7).
  Operation:
 1) Stop machine, turn off engine.
 2) To apply: Stand behind machine, push PARKING 
B R A K E   L E V E R   ( 7 A )   f o r w a r d   ( To w a r d   f r o n t  
of machine).
 3)  To  disengage:  Stand  behind  machine,  pull 
PARKING BRAKE LEVER (7A) backwards toward 
rear of machine.
CAUTION:  Disengage  PAR kING  BRA kE 
LEVER  (7A)  before  fully  engaging  SPEED 
CONTROL LEVER (7B), else machine could 
be damaged. 
						

							
50

MANDATORY
INDICATION
INFORMATION 
INSTRUCTION
WARNINGPROHIBITION
These signs will give
advice for your safety
B e f o r e   l e a v i n g   o u r   f a c t o r y   e v e r y m a c h i n e   i s  
thoroughly tested.
Follow  our  instructions  strictly  and  your 
machine will give you long service in normal 
operating conditions.
 1. Uses
Use: Wet sawing of old and new concrete and asphalt. 
Dry  sawing  only  with  blade  manufacturers  approval  of 
specific application. 
Tools: Diamond blades — water cooled, Ø: 14”(350mm), 
18” (450mm), 20” (500mm),24” (600mm), 26” (650mm), 
30” (750mm), and 36” (900mm) with Arbor Ø - 1”. 
(For information, contact your supplier.)
Depths of Cut (Maximum):
 Blade  Depth  Blade  Depth
 14”    4.5”    350mm 110mm
 18”    6.5”    450mm 160mm
 20”    7.5”    500mm 175mm
 24”    9.5”    600mm 225mm
 26”  10.5”    650mm 260mm
 30”  12.5”    750mm 310mm
 36”  15.0”    900mm 375mm
Before  starting  up  the  machine,  make  sure 
you read this entire manual and are familiar 
with the operation of this machine.
 
The working area must be completely clear,    
well lit and all safety hazards removed.
T h e   o p e r a t o r   m u s t  
wear  protective  clothing 
appropriate  to  the  work 
he is doing.
Any persons not involved in the work should 
leave the area.
Use  only  blades  marked  with  a  maximum 
operating  speed  greater  than  the  blade  
shaft speed.
2. Moving The Machine 
(See Figures 1, 2 and 5)
Set The Handles To The Desired Length: 
•  Loosen  Knob  (1A),  pull  the  Handle  Bar  (1B)  in  or  out 
to desired length, then tighten the Knob (1A) to adjust 
Handle  Bar  height, Turn  Handle  Bar Adjustment  Lock 
(1R) counterclockwise to unlock. Adjust Handle Bar (1B) 
to  the  desired  height.  Turn  HANDLE  ADJUSTMENT 
LOCK (1R), clockwise to lock in place.
Front  Pivot  Model (with  Electric  Tracking  System  –  
If equipped)
Moving The Saw With The Engine Off: 
•  
Tu r n   E N G I N E   S TA RT  S W I T C H   ( 1 H )   t o   t h e   “ 1 ”  
(RUN) position. 
•   R a i s e   t h e   s a w   b y   p r e s s i n g   u p   o n   t h e   TO G G L E 
SWITCH  (1P)  on  SPEED  CONTROL  LEVER  (1O) 
until the DIAMOND BLADE (2E) (if installed) clears the 
pavement surface.
•  Put  SPEED  CONTROL  LEVER  (1O)  into  the  STOP 
POSITION (1BB). 
•  S e t   T R A N S M I S S I O N   B Y PA S S   VA LV E   ( 6 J ) 
counterclockwise to the up (NEUTRAL) position.
•  
The saw can now be moved by standing behind it and 
pushing [while holding the Handle Bars (1B)].
DO NOT attempt to push the saw while it is 
in  NEUTRAL  on  a  grade  (or  hill).  The  saw 
operator  could  lose  control  of  the  saw  and 
cause  injury  to  himself  or  other  persons  in 
the area. 
Moving The Saw With Engine On:
•   R a i s e   t h e   s a w   b y   p r e s s i n g   u p   o n   t h e   TO G G L E 
SWITCH  (1P)  on  SPEED  CONTROL  LEVER  (1O) 
until  DIAMOND  BLADE  (2E)  (if  installed)  clears  the 
pavement surface. 
•  Set  WATER  SAFETY  SWITCH  (1L)  button  to  the  “0” 
(OFF) position. 
•  SPEED CONTROL LEVER (1O) must be in the STOP 
POSITION  (1BB)  to  start  the  saw.  The  engine  WILL 
NOT start unless SPEED CONTROL LEVER (1O) is in 
the STOP POSITION (1BB). 
•  Check  that  TRANSMISSION  BYPASS  VALVE  (6J)  is 
turned  clockwise  (DOWN)  to  the  closed  position.  Do 
NOT start the engine if the valve (6J) is in the Neutral 
(OPEN) position. 
•  
Turn ENGINE THROTTLE (1F) to a low speed setting. 
•   Set  BLADE  CLUTCH  SWITCH  (1V)  (if  equipped)  to 
“0” (OFF). 
*   In cold conditions (below 32° F (0° C)) push in on the 
ENGINE  START  SWITCH  (1H)  for  15  seconds.  This 
preheats the engine for cold weather starting. 
•  
Turn  the  ENGINE  START  SWITCH  (1H)  to  the  “2” 
(START)  position  until  the  engine  starts,  then  release 
the switch. It will return to RUN position. If the engine 
does not start, repeat these steps.