Land Rover Lt230q Overhaul Rover Manual

TRANSFERBOX
8 DESCRIPTION ANDOPERATION  

TRANSFERBOX
DESCRIPTION ANDOPERATION 9
REAR
OUTPUT HOUSING ANDTRANSMISSION
BRAKE COMPONENTS
1. Rear output shaft
2. Rear output housing
3. Bolt -rear output housing
4. Speedometer drivegear
5. Spacer
6. Output shaftbearing
7. Circlip
8. Oil seal
9. Mud shield
10. Output shaftflange
11. Feltwasher
12. Steel washer 13.
Self-locking nut
14. Transmission brakebackplate
15. Bolt -transmission brakebackplate
16. Transmission brakedrum
17. Countersunk screw
18. Speedometer drivengear
19. Oring
20. Speedometer...

TRANSFERBOX
10 DESCRIPTION ANDOPERATION  

TRANSFERBOX
DESCRIPTION ANDOPERATION 11
TRANSFER
BOXCROSS SECTION
1. Main casing
2. Front output housing
3. Rear output housing
4. Dog clutch
5. Transmission brake
6. Mainshaft inputgear
7. Selective shim-input gearbearing pre-load
8. Intermediate gearcluster
9. Intermediate shaft
10. Collapsible spacer 11.
Differential assembly
12. Selective shim-differential bearingpre-load
13. Low range gear
14. High/low selectorsleeveandhub
15. High range gearandbush
16. Differential rearbearing
17. Front output...

TRANSFERBOX
12 DESCRIPTION ANDOPERATION
Intermediate
gears
The intermediate gearcluster issupported bytaper
roller bearings locatedateach endofthe cluster and
running onthe intermediate shaftwhich, inturn, is
supported atthe front andrear bythe main casing.
Intermediate gearbearing pre-load isachieved by
means ofacollapsible spacerpositioned between
the bearings, theamount ofcompression appliedto
the spacer isby means ofanut onthe end ofthe
intermediate shaft.
Differential assembly
The differential...

TRANSFERBOX
DESCRIPTION ANDOPERATION 13
OPERATION The
gearbox outputshafttransmits powertothe
mainshaft inputgearwhich isin constant meshwith
one ofthe intermediate gears.Theintermediate
gears areinconstant meshwiththehigh andlow
range output gearsrunning onthe differential rear
shaft.Power istransmitted tothe output shaftsbylocking
either thehigh orlow range gearstothe differential
rear shaft. Thisisachieved bymeans ofthe high/low
selector fork,sleeve andsplined hub.
The differential lock,when applied,...

TRANSFERBOX
OVERHAUL 1
TRANSFER
BOXDISMANTLING
1. Clean exterior oftransfer box.
2. Drain anddiscard theoil,refit drain plug.
3.Slacken bolttorelease transmission brake
adjustment.
4. Remove countersunk screwsecuring
transmission brakedrum, remove drum.
NOTE:2screws maybefitted.
5.Make suitable alignment marksbetween
transmission brakebackplate andrear output
housing.
6. Remove 4bolts securing transmission brake
backplate, removebackplate.
7.Remove Allenscrew securing vehiclespeed
sensor -if fitted.
8....

TRANSFERBOX
2 OVERHAUL
10.Release stakingfromintermediate shaftnut,
remove anddiscard nut.
11. Remove boltsecuring anti-rotation plate,
remove plate.
12.Using asoft metal driftonthreaded endof
intermediate shaft,driveshaftoutofmain
casing.
13. Remove anddiscard Oring from intermediate
shaft.
14. Remove anddiscard Oring from main casing.
15.Wrap asuitable lengthofwire around
intermediate gearsandusing assistance, lift
gears outofmain casing.
16.Remove anddiscard 2taper rollerbearings
from intermediate...

TRANSFERBOX
OVERHAUL 3
NOTE:Discovery coverplateillustrated.
18.Make suitable alignment marksbetween cover
plate/power take-offcover,mainshaft input
gear bearing housing andmain casing.
19. Noting fittedposition ofstud nutand
harness/speedometer cableclip,remove 5
bolts andstud nutsecuring coverplate/power
take-off cover,recover clip.
20. Remove coverplate/power take-offcover.
21.Remove mainshaft inputgearbearing housing.
CAUTION: Donot remove mainshaft input
gear bearing trackatthis stage.
22.Remove...