17MAINTENANCE
Use only a qualified mechanic for any adjustments, disassembly or any kind of repair .
WARNING: TO AVOID PERSONAL INJURY, ALWAYS
TURN MACHINE OFF, MAKE SURE ALL MOVING
PARTS COME TO A COMPLETE STOP.
DISCONNECT SPARK PLUG WIRE
BEFORE SERVICING UNIT.
ENGINE: See engine manufacturer operator's instructions.
DEBRIS BAG: See page 6.
RECONNECT SPARK PLUG WIRE,
GUARDS, BAG, CAPS AND / OR
HOSE BEFORE STARTING ENGINE.
Inspect machine for loose bolts before starting engine.
Maximum Vacuum: See Maximum Pickup found in Operation section on page 6. The debris Bag can be washed.
Lubrication: Using S.A.E. 30 weight oil or equivalent. See maintenance schedule.
Grease: Wheels, Casters, and Rear Axle Bearings.
Tire air pressure: Check at regular intervals & maintain: Rear SP 13" tires at 14 psi. (9.8 kPa).
ENGINE
When servicing engine refer to specific manufacturers engine owner's manual. All engine warranty is covered by the specific engine manufacturer. If your engine requires warranty or other repair work contact your local servicing engine dealer. When contacting a dealer for service it is a good idea to have your engine model number available for reference. If you can not locate a servicing dealer in your area you can contact the manufacturers national service organization.
To reach:
Briggs & Stratton:
American Honda:
17.1IMPELLER REMOVAL
1. Disconnect spark plug wire.
2. Disconnect remote control rod from nozzle gobbler door.
3. Elevate front of machine using stable support blocks between housing and ground so that front caster wheels are not touching ground.
4. Remove nozzle and caster wheel brackets from the housing.
5. Remove both the top and side belt guards between housing and transmission.
6. Loosen wire belt guide
located on front face of engine on left side of unit between housing and engine.
7. Slide belt toward engine, out
of belt groove in impeller hub drive pulley. 8. Remove impeller bolt and lock washer.
9. If impeller slides off freely, proceed to (step 12). (Do not drop impeller).
10.If impeller does not slide off crankshaft, place two crowbars between impeller and housing on opposite sides. Pry impeller away from engine until it loosens. Using a penetrating oil can help loosen a stuck impeller.
11.If the impeller cannot be loosened, obtain a 1” (25.4mm) longer bolt of the same diameter and thread type as the impeller bolt. Invert engine and impeller and support engine above ground to prevent recoil damage. Thread longer bolt by hand into the crankshaft until bolt bottoms. Using a suitable gear or wheel
puller against the bolt head and the impeller
12. Slide impeller off of crank shaft and remove impeller from housing.
13. Reinstall new impeller and all applicable spacers, new impeller bolt and lockwasher in reverse order of removal. (See the parts drawing on pages 8 and 9 for parts break- down and parts list on page 10 for proper impeller bolt torque specifications and proper spacer for Honda engine only.)
14. When impeller is installed,
slide belt into drive pulley and adjust wire belt guide as shown on page 15 (see fig. 10 & 11).
15. Reattach nozzle and both caster brackets in reverse order of removal.
16. Check operator's bail to
ensure that it operates properly. If not, see drive adjust ments on page 15). Note: Drive must completely disengage with bail released and must engage when bail is depressed within 1.0" (25.4mm) of the operator's handle.
17. Reinstall all belt guards.
18. Reconnect spark plug wire.
17.3DRIVE
Chains and Belts are normal replaceable wear items. A new chain should not be used on worn sprockets. Sprockets should be replaced when replacing chains.
MAINTENANCE
Brake Adjustment: As parking brake wears, the brake discs may eventually require adjustment. To adjust belt, remove brake guard and tighten mounting nut that connects brake arm onto transmission. Adjust cable as required. Unit must freewhell with brake off. DO NOT OVER ADJUST.
Part No. 830542 | Page 14 of 16 | Form No. F021302G |
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