OPERATION
550E MM149 (3--91)
2-14
MACHINE TROUBLESHOOTING
Problem
Cause
Remedy
Trailing water -- poor or no
water pickup
Worn rear squeegee
Rotate or replace rear squeegee
blade
Rear squeegee out of adjustment
Adjust rear squeegee
Worn side squeegee
Replace side squeegee blade
Side squeegee out of adjustment
Adjust side squeegee
Vacuum hose clogged
Flush vacuum hoses
Recovery tank full
Drain tank
Float stuck shutting off vacuum
Clean float
Vacuum fan drive belt loose or
broken
Adjust, or replace and adjust belt
Debris caught on squeegee
Remove debris
Foam filling recovery tank
Empty recovery tank; use less or
change detergent
Vacuum hose to rear squeegee
disconnected or damaged
Reconnect or replace vacuum
hose
Vacuum fan to recovery tank hose
damaged
Replace hose
Little or no solution flow to
fl
Solution tank empty
Fill solution tank
floor
Solution control linkage broken or
out of adjustment
Replace and/or adjust linkage
Solution supply lines plugged
Flush solution supply lines
Solution spreader holes plugged
Flush spreader holes
Poor scrubbing performance
Debris caught on scrub brushes
Remove debris
Improper detergent or brushes
used
Check with TENNANT
representative for advice
Worn scrub brushes
Replace scrub brushes
Scrub brushes out of adjustment
Adjust scrub brushes
Debris hopper full
Empty hopper
Brushes have rotation set
Rotate brushes end-for-end
Scrub brush drive failure
Check scrub brush drive circuit
breaker
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 ...