MAINTENANCE
3-29
285 MM191 (12---89)
TO PRIME FUEL SYSTEM
1. Stop the engine and set the machine parking
brake.
FOR SAFETY: Before leaving or servicing
machine; stop on level surface, set parking brake,
and turn off machine.
2. Fill the fuel tank.
3. Open the side and top engine access doors.
4. Open the air vent on top of the fuel injection
pump.
A
B
02766
FUEL INJECTION PUMP
A. Injection Pump
B. Air Vent
5. Start the engine, operate it for one minute, then
stop it; or operate the starter motor in
ten-second intervals until a steady stream of
fuel flows from the vent.
6. Close the air vent.
7. Close the access doors.
GOVERNOR -- GASOLINE, LPG (For machines
below serial number 010750)
The governor controls engine speed. It is driven by a
belt which spans the crankshaft sheave.
The governor is oil filled. It requires no regular
inspections. Change the oil when performing major
engine work. Use an SAE rated 10W30 or 10W40
engine oil.
A
B
C
D
E F
G
H
02460
GOVERNOR
A. High Speed Stop Screw
B. Oil Fill Plug
C. Low Speed Stop Screw
D. Governor
E. Oil Level Plug
F. Surge Screw
G. Regulation Screw
H. Throttle Rod
The governor is factory set and should not be
adjusted unless the engine speed varies from the
specification or if the engine surges. The governor
should be set so the engine operates at 2200 +
50 rpm at “normal” speed setting under load and at
2650 + 50 at “litter” speed setting under load. A
surge screw has been provided to compensate for
surging --- --- adjust it with care or governor damage
may result. The regulation screw has been factory
set and should not be tampered with.
TO ADJUST GOVERNOR (For machines below serial
number 010750)
1. Operate the engine until it reaches normal
operating temperature.
Summary of Contents for 285
Page 1: ...r 285 Sweeper Scrubber ...
Page 6: ...ABOUT THIS MANUAL 285 MM191 12 89 d ...
Page 18: ...SPECIFICATIONS 285 MM191 12 89 1 2 ...
Page 22: ...SPECIFICATIONS 285 MM191 12 89 1 6 ...
Page 24: ...OPERATION 2 2 285 MM191 12 89 ...
Page 62: ...OPERATION 2 40 285 MM191 NIL ...
Page 76: ...MAINTENANCE 285 MM191 12 89 3 14 04644 HYDRAULIC SCHEMATIC LOW DUMP MODEL ...
Page 77: ...MAINTENANCE 3 15 285 MM191 12 89 04645 HYDRAULIC SCHEMATIC MULTI LEVEL DUMP MODEL ...
Page 103: ...MAINTENANCE 3 41 285 MM191 6 90 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...
Page 104: ...MAINTENANCE 285 MM191 6 90 3 42 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...
Page 134: ...APPENDIX 285 MM191 12 89 4 2 ...