Specifications

CONTENTS
550 Gas/LPG 330650 (2--05)
2
Page
MAINTENANCE 30.........................
RECOMMENDED FIRST 50-HOUR
MACHINE INSPECTION 29............
MAINTENANCE CHAR T 30...............
LUBRICATION 32........................
ENGINE 32............................
VACUUM FAN SHAFT (For machines
below serial number 007006) 32......
MACHINE PIVOT 33..................
SCRUB HEAD PIVOT 33...............
SCRUB HEAD HINGES 34.............
REAR SQUEEGEE CASTERS 34.......
SCRUB BRUSH IDLER PLUGS 34......
REAR WHEELS 34....................
HYDRAULICS 35........................
HYDRAULIC FLUID 35................
HYDRAULIC FLUID RESERVOIR 35....
TO DRAIN THE HYDRAULIC FLUID
RESERVOIR 36....................
TO FILL THE HYDRAULIC FLUID
RESERVOIR 36....................
HYDRAULIC FLUID RESERVOIR
BREATHER 37.....................
HYDRAULIC FLUID FILTER 37.........
TO REPLACE THE HYDRAULIC FLUID
FILTER ELEMENT 37...............
HYDRAULIC FLUID LEAKS 37.........
HYDRAULIC COMPONENTS
TROUBLESHOOTING 38...........
ENGINE 39.............................
LUBRICATION 39.....................
COOLING SYSTEM 39................
AIR INTAKE SYSTEM 40..............
AIR FILTER SERVICE INDICATOR 40...
AIR FILTER 40........................
TO REPLACE AIR FILTER ELEMENT --
CONTINENT AL ENGINES (For
machines below serial number
006409) 41..................
TO REPLACE AIR FILTER ELEMENT --
GM ENGINES (For machines
serial number 006409 and
above) 42....................
FUEL SYSTEM -- GASOLINE
--CONTINENTAL ENGINES (For
machines below serial number
006409) 42..................
FUEL FILTER 42...................
CARBURETOR 43..................
FUEL SYSTEM -- GASOLINE -- GM
ENGINES (For machines serial number
006409 and above) 43............
FUEL FILTER (For machines serial
number 006409 -- 007005) 43.....
IN--LINE FUEL FILTER 43...........
ELECTRONIC FUEL INJECTION --
GM ENGINES 43................
Page
FUEL SYSTEM -- LPG 44..............
LPG FUEL SYSTEM 44.............
FUEL TANKS 45...................
TO CHANGE AN LPG FUEL
TANK 46.....................
FUEL FILTER LOCK 47.............
VAPORIZER-REGULATOR 47.......
CARBURETOR -- CONTINENTAL
ENGINES (For machines below
serial number 006409) 47......
ELECTRONIC FUEL INJECTION
SYSTEM -- GM ENGINES (For
machines serial number
006409 and above) 47.........
OIL PRESSURE SWITCH 47........
LPG FUEL TROUBLESHOOTING 48.
GOVERNOR -- CONTINENTAL
ENGINES (For machines below
serial number 006409) 49......
TO ADJUST GOVERNOR 49.....
GOVERNOR -- GM ENGINES (For
machines serial number 006409
and above) 49................
ELECTRICAL SYSTEM 50................
SPARK PLUGS 50....................
DISTRIBUTOR 50.....................
DISTRIBUTOR IGNITION TIMING 51....
CYLINDER HEAD 52.....................
CYLINDER HEAD BOLT TIGHTENING --
CONTINENT AL ENGINES (For
machines below serial number
006409) 52..................
CYLINDER HEAD BOLT TIGHTENING --
GM ENGINES (For machines serial
number 006409 and above) 52....
PCV SYSTEM 53........................
TUNE-UP CHAR T -- CONTINENTAL
ENGINES (For machines below serial
number 006409) 53.................
TUNE-UP CHAR T -- GM ENGINES (For
machines serial number 006409 and
above) 53.........................
ELECTRICAL SYSTEM 54................
BATTERY 54.........................
BELTS AND CHAINS 55..................
VACUUM FAN DRIVE BELT (For machines
below serial number 007006) 55......
TO ADJUST VACUUM FAN DRIVE
BELT 55........................
ALTERNATOR AND RADIATOR
FAN BELT 55......................
TO ADJUST ALTERNATOR AND
RADIATOR FAN BELT 55.........
SCRUB HEAD 56........................
SCRUB HEAD 56.....................
TO ADJUST SCRUB HEAD HEIGHT 56
TO ADJUST SCRUB BRUSH
PATTERN 56....................
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