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Global Garden Products Lawn Mower 92 92 Hydro Instructions Manual
Global Garden Products Lawn Mower 92 92 Hydro Instructions Manual
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Find and undo all the screws securing the engine to the cutting deck, grip the engine firmly and lift it carefully, bearing in mind that its weight is around 35 kg. NOTE Some type of engine are held with screws of differ- ent length and in different positions, so it is best to label them so that no errors are made on reassem- bly. On reassembly, fully tighten the screws for the engine and the pulley to the amounts shown. Remember to fit the clamp back on the fuel pipe and check that it does not leak. Reattach all the electrical and earth contacts and refit the protection covers (if fitted). To reassemble, reverse the order of the previous operations. Reset the belt shifter (5)into position, refit the fork (4)with the relative safety pin (3)and fully tighten the screw (2). ➤In hydrostatic drive models:reset the tension of the stretcher spring [see 4.4]. If only the front nut (1)has been loosened without having touched the rear one, the right tension will be achieved by just tightening up the nut (1). Reattach the accelerator cable and ... Adjust the «MINIMUM» position [see 6.10]. Refit the front hood [see 5.1]. Tightening torques 8Screw for pulley ............................... 45 ÷ 50 Nm –Screws for engine fastening ............. 25 ÷ 30 Nm 4/2005 92 5.5.1 REMOVAL OF THE ENGINE 2 / 2 WORKSHOP MANUAL page from 2003to •••• © by GLOBAL GARDEN PRODUCTS
5.6 REMOVAL OF THE REAR AXLE The rear axle (Transaxle) is made up of single maintenance free sealed unit which includes the transmission unit ( ➤mechanical or ➤hydrostat- ic) and the differential. It only needs to be removed to be replaced or for an overhaul by the Manufacturer’s Service Centre. Remove the collector channel [see 5.3]. Put a block (2)of around 160 mm under the rear plate and take off the rear wheels. The drive belt should also be loosened. This is done by ... ➤In mechanical drive models:engaging the parking brake. ➤In hydrostatic drive models:loosening the nut (1)of the stretcher. Disconnect the blade engagement cable (3)by loosening the adjuster (4)and taking off the barrel (5)at the end of the fork (6). The dismantling procedure differs slightly depend- ing on the various types of drives used. ➤In mechanical drive models: Dismantle the guide pulley (7)from the rear plate and detach the gear lever (8)by loosening the 7 34 3 6 5 26 25 2 1 4/2005 92 5.6.1 REMOVAL OF THE REAR AXLE 1 / 3 WORKSHOP MANUAL page from 2001to •••• © by GLOBAL GARDEN PRODUCTS
screw (9)and the brake control rod (10). Then disconnect the cables from the microswitch sig- nalling “neutral” (12). The unit is supported by two brackets (13)with their screws (14)and (15)and is attached to the frame by four screws (16). Loosen the two screws (14)to give a minimum of movement to the brackets (13)and undo the two screws (15). Then carefully loosen the four lower screws (16), holding up the unit so that it does not fall. ➤In the hydrostatic drive models: Dismantle the pin of the brake control rod(17) and the pin of the drive engagement control rod (18). Loosen the nut(19)of the release lever to detach the rod (20) from the lever(21). The unit is held up by a support (22)and fastened to it by a screw with a nut (23), and it is attached to the frame by four screws (24). Undo the nut (23)and then carefully undo the four lower screws (24), holding up the unit so that it does not fall. To reassemble, reverse the order of the previous operations, taking particular care with the two self- tapping screws (15)which, if not screwed in cor- rectly, could damage the threads inside so prevent- ing it from being fastened properly. When refitting the blade engagement cable, make sure that the washer (25)is correctly positioned between the bracket (26)and the cable sheath(3). Reattach all the connections, and then … Check the brake [see 4.3] 24 20 21 19 23 22 15 13 316 14 1724 10 12 9 8 4/2005 92 5.6.1 REMOVAL OF THE REAR AXLE 2 / 3 WORKSHOP MANUAL page from 2001to •••• © by GLOBAL GARDEN PRODUCTS
➤In hydrostatic drive models:if the control rod has been replaced or completely pulled down: Adjust the travel and the position of “neutral” for the pedal [see 4.5]. Reset the tension of the stretcher spring [see 4.4]. If only the front nut (1)has been loos- ened without having touched the rear one, the right tension will be achieved by just tighten- ing up the nut (1). When assembly is completed … Refit the collector channel [see 5.3]. Tightening torques 14Screws for brackets ....................... 25 ÷ 30 Nm 15Self-tapping screws ....................... 25 ÷ 30 Nm 16-24Screws for rear axle fastening .. 25 ÷ 30 Nm 23Rear axle locknut ........................... 25 ÷ 30 Nm 4/2005 18 92 5.6.1 REMOVAL OF THE REAR AXLE 3 / 3 WORKSHOP MANUAL page from 2001to •••• © by GLOBAL GARDEN PRODUCTS
5.7 REMOVAL OF THE CUTTING DECK Removing the cutting deck facilitates all the over- haul and replacement of hubs, bearings and blade shafts. With some practice and experience it is possible to do this work with the deck still in position. Remove the collector channel [see 5.3] After moving the cutting height lever to position «1», loosen the engagement cable adjuster (1), pull it out and release the spring (2). Loosen the screw (3), unfasten the safety pin (4) and move the fork to the side (5). Turn the belt shifter (6) forward until the belt (7)is released from the pulley (8). Unscrew the two nuts (9)fastening the two rods (10) to the frame and loosen the two nuts (11) fas- tening the deck. Release the three split pins (12)holding the pins onto the lifting lever, being careful to not touch the nuts and locknuts so that, on reassembly it is as parallel as it was before. Having checked that there is nothing in the way, the deck can be removed, taking it out towards the left so that all the pins come out of their positions. To reassemble, reverse the order of the previous operations, Reset the belt shifter (6)into position, refit the fork (5)with the relative safety pin (4)and fully tighten the screw (3). Reattach the collector channel [see 5.3]. Check the alignment of the cutting deck [see 4.6]. 12 4/2005 910 11 87645 3 12 92 5.7.2 REMOVAL OF THE CUTTING DECK 1 / 1 WORKSHOP MANUAL page from 2003to •••• © by GLOBAL GARDEN PRODUCTS
© by GLOBAL GARDEN PRODUCTS 92 6.1.0 REPLACEMENT OF TYRES AND WHEELS 1 / 1 WORKSHOP MANUAL page from 1997to •••• 6.1 REPLACEMENT OF TYRES AND WHEELS A) Tyres The tyres used are of the «Tubeless» type and so every repair of a hole in the tyre must be done by a tyre specialist according to the methods used for this type of tyre. After replacing one or more tyres or the wheels, it is always necessary to check the pressure and to check the alignment of the cutting deck [see 4.6]. WARNING Replace distorted wheel rims as they could impair the tyre’s hold. B) Wheels The wheels are held by a snap ring (1)which can be removed with the help of a screwdriver. NOTE If a wheel is jammed onto the shaft, use a releasing spray directing around the splining hole. When reassembling, smear grease over the shaft to help the next time the wheel needs to be removed; reposition the spacer washer (2)and the snap ring (1)with the rounded edge facing inwards. Tyre pressures Front ........................................................... 1.5 Bar Rear ............................................................ 1.2 Bar 3/2002 1 2
© by GLOBAL GARDEN PRODUCTS 92 6.2.0 REPLACEMENT OF FRONT WHEEL BEARINGS 1 / 1 WORKSHOP MANUAL page from 1997to •••• 6.2 REPLACEMENT OF FRONT WHEEL BEARINGS Dismantle the front wheel [see 6.1]. The front wheel bearings (1)are force splined into the front wheel hub. To be able to remove a bearing a 10 - 12 mm round bar (2)is needed. Insert this from the opposite side and hammer it on various points around the internal circumference of the bearing. The new bearing must be inserted with the help of a plastic mallet or a bronze pad (3)# code 60800031/0 working only on the outer ring of the bearing . 3/2002 3 1 2 1 1
6.3 DISMANTLING STEERING COMPONENTS Remove the fuel tank [see 5.4]. To facilitate access to the parts concerned, it is best to loosen the drive belt. This is done by ... ➤In mechanical drive models: engaging the parking brake. ➤In hydrostatic drive models:loosening the nut (1)of the stretcher. . Unhook the spring (2)and lift the steering column (3) just enough to be able to draw out the pinion(4). A) Dismantling steering pinion and ring gear Unscrew the nut (5)and take out the whole ring gear shaft (6)after dismantling the tie-rod (7). To dismantle the ring gear (6), take out the split pin (8c), undo the upper nuts (8a)and (8b)and take out the various components. On reassembling be very careful to restore the exact sequence and to fully tighten the nut (9a) which holds the pin (10a). 9a 10a 3 4 6 7 11 6 8a 8b8c 2 5 1 4/2005 92 6.3.1 DISMANTLING OF THE STEERING COMPONENTS 1 / 2 WORKSHOP MANUAL page from 2004to •••• © by GLOBAL GARDEN PRODUCTS
© by GLOBAL GARDEN PRODUCTS 92 6.3.1 DISMANTLING OF THE STEERING COMPONENTS 2 / 2 WORKSHOP MANUAL page from 2004to •••• First screw down the nut (8a)without fully tighten- ing it, so that the cup washer (11)can fulfil its pur- pose, that of allowing rotation without free play but sufficiently freed from the ring gear. Then fully tight- en the locknut (8b)and insert the split pin (8c). Reassemble the pinion and the ring gear shaft, lin- ing up the two reference points ( ➜- ) punched on them, and making sure that the notch (12)on the frame slots into one of the housings in the bush. With a new pinion and ring gear it will be necessary to fit 2 blocks (13)of 0,8 mm code 22672150/0 between the ring gear bushing and the frame. Put the whole assembly back together in the reverse order, bearing in mind that it is best to attach the ring gear before the pinion, and fully tighten the nut (5). ➤In hydrostatic drive models: tighten the spring of the stretcher [see 4.4]. If only the front nut (1)has been loosened without having touched the rear one, the right tension will be achieved by just tightening up the nut (1). B) Lower bush replacement Use a universal socket wrench to unscrew the two screws (14)that fix the plate (15)and remove the spherical lower bush (16). On reassembly ensure that the bush (16)is fitted with the protuberant part upwards. Refit the plate (15)without tightening the screws (14). Align the pinion with the crown wheel [see 6.3.A] and insert the end of the steering wheel column (3) in the hole in the spherical bush (16); fully tighten the screws (14)after having checked the correct alignment and regular rotation of the steering wheel column. When reassembled ... Check the steering geometry [see 4.8]. Refit the fuel tank [ see 5.4]. Tightening torques 5Nut for Ring gear ............................ 45 ÷ 50 Nm 9aNuts for the stud bolt ..................... 45 ÷ 50 Nm 4/2005 14 1416 15 2 4 3 16 15 5 12 13 118a 8b 8c 14
6.4 REPLACEMENT OF THE DRIVE BELT Dismantle the engine pulley [see 5.5] to release the belt. Remove the collector channel [see 5.3]. Loosen the nuts (1)holding the small side wheels (2)in order to release the belt, take off the drive pulley (3)and the stretcher pulley (4), held on by the nuts (5)and (6). ➤In mechanical drive models:you need to dis- mantle the guide pulley (7) attached to the rear plate. ➤In the hydrostatic drive models: in order to remove the belt, detach the brake control rod (8) by dismantling the pin (9)from the lever (10). When reassembling, make sure that the belt (11)is correctly positioned in the pulleys inside the rims [see 8.2.4], taking particular notice of where it pass- es through the fork (12). Always refit the dust covers (13)of the wheels (2). When reassembled, ... Refit the engine pulley [see 5.5]. Adjust the drive engagement [see 4.4]. Refit the collector channel [see 5.3]. Tightening torques 1Nuts for small wheels ........................ 25 ÷ 30 Nm 5 - 6Nuts for pulleys ........................... 25 ÷ 30 Nm 9 810 4/2005 7 5 3 46 1112 1 2 13 92 6.4.1 REPLACEMENT OF THE DRIVE BELT 1 / 1 WORKSHOP MANUAL page from 2001to •••• © by GLOBAL GARDEN PRODUCTS