MAINTENANCE
3-1
550E MM149 (12--05)
SECTION 3
CONTENTS
Page
RECOMMENDED FIRST 50-HOUR
MACHINE INSPECTION
3-3
. . . . . . . . . . . . . . .
MAINTENANCE CHART
3-4
. . . . . . . . . . . . . . . . . .
LUBRICATION
3-6
. . . . . . . . . . . . . . . . . . . . . . . . . . .
VACUUM FAN SHAFT
3-6
. . . . . . . . . . . . . . . . .
MACHINE PIVOT
3-6
. . . . . . . . . . . . . . . . . . . . .
SCRUB HEAD PIVOT
3-7
. . . . . . . . . . . . . . . . .
SCRUB HEAD HINGES
3-7
. . . . . . . . . . . . . . . .
REAR SQUEEGEE CASTERS
3-7
. . . . . . . . . .
SCRUB BRUSH IDLER PLUGS
3-8
. . . . . . . . .
REAR WHEELS
3-8
. . . . . . . . . . . . . . . . . . . . . . .
SCRUB BRUSH DRIVE CHAINS
3-8
. . . . . . . .
POWER WHEEL
3-8
. . . . . . . . . . . . . . . . . . . . . .
HYDRAULICS
3-9
. . . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID
3-9
. . . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID RESERVOIR
3-9
. . . . . . .
HYDRAULIC FLUID FILTER
3-10
. . . . . . . . . . .
TO REPLACE HYDRAULIC FLUID
FILTER ELEMENT
3-10
. . . . . . . . . . . . . . . . .
HYDRAULIC FLUID LEAKS
3-10
. . . . . . . . . . .
ELECTRICAL SYSTEM
3-11
. . . . . . . . . . . . . . . . . .
BATTERIES
3-11
. . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY REPLACEMENT
3-12
. . . . . . . . . . . .
BATTERY CHARGING
3-12
. . . . . . . . . . . . . . . .
TO CHARGE BATTERIES
3-13
. . . . . . . . . . . . .
ELECTRIC MOTORS
3-13
. . . . . . . . . . . . . . . . .
CONTROL PANEL
3-13
. . . . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL
3-14
. . . . . . . . . . . . . . . .
BELTS AND CHAINS
3-15
. . . . . . . . . . . . . . . . . . . .
VACUUM FAN DRIVE BELT
3-15
. . . . . . . . . . .
PUMP DRIVE BELT
3-15
. . . . . . . . . . . . . . . . . .
STATIC DRAG CHAIN
3-15
. . . . . . . . . . . . . . . .
SCRUB BRUSH DRIVE CHAINS
3-15
. . . . . . .
Page
SCRUB HEAD
3-16
. . . . . . . . . . . . . . . . . . . . . . . . . .
SCRUB HEAD
3-16
. . . . . . . . . . . . . . . . . . . . . . .
TO ADJUST SCRUB HEAD HEIGHT
3-16
. . .
TO ADJUST SCRUB BRUSH PATTERN 3-17
SCRUB BRUSHES
3-19
. . . . . . . . . . . . . . . . . . .
TO REPLACE SCRUB BRUSHES
3-19
. . . . . .
SOLUTION SYSTEM
3-20
. . . . . . . . . . . . . . . . . . . .
RECOVERY TANK
3-20
. . . . . . . . . . . . . . . . . . .
WATER SPRAY DEFLECTOR
3-20
. . . . . . . . .
SRS WATER SPRAY DEFLECTOR
3-21
. . . . .
SRS SOLUTION TANK
3-22
. . . . . . . . . . . . . . .
SOLUTION DISPENSING TUBE
3-23
. . . . . . .
SRS CLEANING SOLUTION FILTER
3-23
. . .
SRS METERING SOLUTION PUMP
3-23
. . . .
TROUBLESHOOTING
3-23
. . . . . . . . . . . . . . . .
SQUEEGEES
3-24
. . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE SQUEEGEES
3-24
. . . . . . . . . . . . . . . . . .
REAR SQUEEGEE
3-24
. . . . . . . . . . . . . . . . . . .
TO REPLACE REAR
SQUEEGEE BLADES
3-25
. . . . . . . . . . . . . .
TO FACTORY ADJUST
REAR SQUEEGEE
3-25
. . . . . . . . . . . . . . . .
TO ADJUST REAR SQUEEGEE
3-28
. . . . . . .
BRAKES AND TIRES
3-30
. . . . . . . . . . . . . . . . . . . .
SERVICE BRAKES
3-30
. . . . . . . . . . . . . . . . . . .
PARKING BRAKES
3-30
. . . . . . . . . . . . . . . . . . .
TIRES
3-31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER WHEEL
3-31
. . . . . . . . . . . . . . . . . . . . .
Summary of Contents for 550
Page 10: ...GENERAL INFORMATION 550E MM149 3 94 viii ...
Page 12: ...OPERATION 550E MM149 3 91 2 2 ...
Page 30: ...OPERATION 550E MM149 9 00 2 20 ...
Page 32: ...MAINTENANCE 550E MM149 3 91 3 2 ...
Page 62: ...MAINTENANCE 550E MM149 2 05 3 32 ...
Page 66: ...APPENDIX 550E MM149 3 91 4 4 ...
Page 74: ...STANDARD PARTS 550E MM149 5 01 6 4 Fig 2 Replacement Brushes 1 ...
Page 96: ...STANDARD PARTS 550E MM149 5 01 6 26 Fig 17 Electric Motor Group 1 2 3 4 5 6 ...
Page 105: ...STANDARD PARTS 6 35 550E MM149 5 01 Fig 23 Electrical Schematic 1 2 3 4 5 01228 550E ...
Page 106: ...STANDARD PARTS 550E MM149 5 01 6 36 Fig 23 Electrical Schematic 1 2 3 4 5 01228 550E ...
Page 117: ...STANDARD PARTS 6 47 550E MM149 5 01 Fig 31 Hydraulic Schematic 001330 005607 02361 550E ...
Page 118: ...STANDARD PARTS 550E MM149 5 01 6 48 Fig 32 Hydraulic Schematic 005608 11118 550E ...
Page 168: ...OPTIONS 550E MM149 9 99 8 18 ...
Page 182: ...BREAKDOWNS 550E MM149 10 10 9 14 ...