Bartell Global B424 - Troubleshooting

WALK-BEHIND TROWELS OI – B19001
OWNER’S MANUAL
23
TROUBLESHOOTING
WON’T START
- Throttle fully open
- Hand lever wire broken
- No gas
- Dirty gas
- Gas filter plugged
- Gas line plugged
- Hole in gas line
- Gas supply valve turned off
- Dead-man safety switch
- Safety switch wire or connectors not making good
contact
- Other engine problems (Refer to engine manual)
STARTS BUT NO HIGH SPEED
- Engine problems
- Throttle cable broken or seized
- Throttle lever and connectors loose or out of
adjustment
- Clutch shoes worn
STARTS AT HIGH SPEED, WON’T SLOW DOWN
- Same as above
ENGINE WON’T STOP
- Safety switch, wire or connectors not making good
contact
ENGINE STARTS BUT WON’T TURN TROWELS AT ANY
SPEED
- Clutch seized
- No weights or broken clutch
- Wrong belt
- Broken or missing key
o Clutch
o Pulley
o Worm gear (countershaft)
o Main gear
o Spider plate
- Gearbox seized
TROWELS TURN, ENGINE AT IDLE
- Idle too fast
- Belt too tight
- Clutch seized
- Pulley out of alignment
TROWELS BLADES WEARING UNEVENLY
- Spider plate seized
- Arms bent
- Adjusting screws (carriage bolts) incorrectly set
MACHINE JUMPS ON FLOOR
- Concrete hardened on bottom of spider plate
- Trowels unevenly worn
- Spider plate seized
- Spider plate loose
- Trowel arms bent
- Adjusting screws (carriage bolts) incorrectly set use
spider plate adjustment jig (pg,13)
- Main shaft bent
PITCH CONTROLS WILL NOT OPERATE BLADES
- Cable broken or out of adjustment
- Slot screw missing (under-side of handle)
- Spider plate seized
- Pressure plate and/or yoke arm broken or badly
worn
- Hand crank adjuster malfunctioning
BELT WEARING RAPIDLY
- Belt adjusted improperly
- Pulley out of alignment
- Wrong belt/defective belt
- Clutch sticking
- Gearbox seizing
OIL LEAKS
- Top of gearbox
o Engine leaks
o Relief valve broken
o Too much oil in gearbox
o Set screw missing in cover
- Between end cap and gearbox (recoil side)
o “O” ring damaged
o End cap not tight
- At main shaft or countershaft
o Relief valve seized
o Shaft and/or seal worn
TROWEL BLADES WILL NOT TURN
- Yoke arm broken
- Key sheared
SPIDER PLATE HARD TO GREASE
- Fittings plugged
- Cement in grease grooves of arms
- Grease fittings too tight