Machine Troubleshooting - Tennant ATLV 4300 Service Manual

MACHINE TROUBLESHOOTING

Problem
Machine does not start
Machine propels slowly
Machine does not propel
Poor vacuum performance
No vacuum power
Vacuum hose unsupported or
too low
Excessive Dusting
ATLV 4300 330495 (5- -02)
Cause
Glow plug not warmed up properly Turn key to warm up glow plug
Fuel filter plugged
Fuel pump damaged
Cables not adjusted
Machine not on
Parking brake on
Towing valve on
Vacuum head or hose clogged
Hopper vacuum fan clogged
Vacuum head not lowered
completely
Vacuum head seals damaged
Machine propelling too fast
Vacuum not close enough to
debris
Debris hopper full
Engine throttle too low
Vacuum bag (option) clogged
Dust filter bag (option) clogged
Panel filter (option) clogged
Hopper Thermo Sentryt on
Solenoid valve not operating
Vacuum fan not on
Vacuum fan failure
Main vacuum hose gate valve
closed
Gas cylinders damaged
Vacuum bag (option) open
Panel filter (option) door open
Water dust control (option) not on
Water dust control (option) water
tank empty
Water dust control (option) spray
nozzle clogged
VACUUMING
Remedy
Replace fuel filter
Replace fuel pump
Readjust stops or cables
Start machine
Release parking brake
Turn towing valve 90°
Remove vacuum head or hose
blockage
Clean off fan vacuum screen
Lower vacuum head completely
Replace or repair worn vacuum
head seals
Slow machine speed
Move vacuum closer to debris
Empty debris hopper
Increase engine throttle
Empty Vacuum bag (option)
Empty dust filter bag (option)
Clean panel filter (option)
Check for fire in hopper
Contact TENNANT service
personnel
Turn vacuum fan on
Contact TENNANT service
personnel
Open main vacuum hose gate
valve
Contact TENNANT service
personnel
Close Vacuum bag
Close panel filter door
Turn on water dust control
Fill water dust control tank
Clean water dust control spray
nozzle
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