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 inoperable (foot lever
must
• be depressed)
• 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
TROWELS TURN, ENGINE AT IDLE
• Idle adjustment is too fast
• Belt too tight
• Clutch seized
MACHINE JUMPS ON FLOOR
• Concrete hardened on bottom of spider plate
• Trowels unevenly worn
• Spider plate seized
• Spider plate loose
• Spider/Trowel arms bent
• Adjusting screws (carriage bolts) set
incorrectly - use spider plate adjustment jig
(page 19)
• Main shaft bent
• Steering handle too far right or left
SPIDER PLATE HARD TO GREASE
• Fittings plugged
• Cement in grease grooves of arms
• Grease fittings too tight
• Old grease has congealed
PITCH CONTROLS WILL NOT OPERATE BLADES
• Pitch cable broken or out of adjustment
• Slot screw missing (under-side of handle)
• Pressure plate and/or yoke arm broken or
badly worn
BELT WEARING RAPIDLY
• Belt adjusted improperly
• Pulley out of alignment
• Wrong belt/defective belt
• Clutch sticking
• Gearbox seizing
• Belt rubbing
OIL LEAKS
a) Top of gearbox
• Engine leaks oil
• Relief valve broken
• Too much oil in gearbox
• Set screw missing in cover
b) Between end cap and gearbox (recoil side)
• “O” ring damaged
• End cap not tight
c) At main shaft or countershaft
• Relief valve seized
• Shaft and/or seal worn
BLADES HITTING EACH OTHER
(MODIFIED MODELS ONLY)
• Blades out of synch
• Sheared key in spider plate or gearbox
• Drive shaft misaligned
WON’T MOVE FORWARD OR REVERSE
• Pins or forward/reverse lever broken
• Rod end seizing on F/R lever
• Connecting rod broken
WON’T STEER LEFT OR RIGHT
• Steering arms broken
• Linkage worn out
• Gearbox studs sheared
• Rod end connecting shaft loose
• Bearings seized
DRIVE SHAFT WILL NOT TURN
• Universal joint(s) seized
• Spline stripped
• Key(s) sheared
To Next Page
Loading...
