Maintenance (continued)
300-hour maintenance
Gearcase Lubrication
The gearcase should be filled with 60 cc (2.0 fl.oz.) of Mobil SHC634 Synthetic Gear Oil. A maximum of
WARNING!
BURN DANGER! The gearcase will be extremely hot after
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Turn gearcase side plate to break the seal |
| Fill the gearcase to the bottom of the | ||||||||||
and lift the plate from the gearcase |
| chamfer on the output gear. | ||||||||||
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| DO NOT OVERFILL! | ||||
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use!
Replacing the gearcase oil
1.Disconnect spark plug wire at engine.
2.Remove the LH Drum and axle assembly (as viewed from the operat- ing position). Wipe the sideplate clean and remove four screws (it is not nec- essary to remove the gearcase from the outer tube).
3.Turn gearcase side plate to break the seal and lift the plate from the gearcase.
NOTE:
It may be necessary to use a heat gun to soften the sealer material.
4.Turn the gearcase to the LH side and and allow all used gearcase oil to drain into a small container.
5.Place the gearcase on the RH side and supported so the outer tube is parallel to the ground. Refill the gearcase with 60 cc (2.0 fl.oz) of Mobil SHC634 Synthetic Gear Oil to the bottom of the chamfer on the output gear. The correct oil depth is 5/8" (15.5 mm). DO NOT OVERFILL!
6.Inspect the sideplate for damage and clean off all remaining liquid gasket material with brake cleaner or acetone. Coat the outer sealing flange of the sideplate with Loctite Ultragrey Silicon Sealant or Threebond No. 1104 Liq- uid Gasket.
7.Replace the cover and install the four sideplate screws. Tighten securely.
8.Reinstall the drum and axle assem- bly. Refer to the section “Assembly: Sweeper Assembly” for instructions.
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