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PAGE 44 — BS90C WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #0 (9/4/15)
TROUBLESHOOTING
Troubleshooting (Walk-Behind Trowel) - continued
Symptom
Possible Problem
Solution
Machine has a perceptible rolling motion
while running.
Main shaft?
The main output shaft of the gearbox
assembly should be checked for straightness.
The main shaft must run straight and cannot
be more than 0.003"" (0.08 mm) out of round
at the spider attachment point.
Yoke?
Check to make sure that both fi ngers of the
yoke press evenly on the wear cap. Replace
yoke as necessary.
Blade Pitch?
Check to ensure that each blade is adjusted
to have the same pitch as all other blades.
Adjust per maintenance section in manual.
Clutch slipping or sluggish response to
engine speed change.
Worn V-belts?
Replace V-belt.
Hand clutch out of adjustment?
Adjust per instructions in maintenance
section of this manual.
Worn or defective hand clutch parts?
Replace parts as necessary.
Worn bearings in gearbox?
Rotate input shaft by hand. If shaft rotates
with diffi culty, check the input and output
shaft bearings. Replace as necessary.
Worn or broken gears in gearbox?
Verify that the gearbox shaft rotates when
the input shaft is rotated. Replace both the
worm and worm gear as a set.
Trowel blades do not rotate.
Defective clutch?
Replace clutch.
Broken V-belt?
Replace V-belt.
Defective ON/OFF switch?
Check and replace ON/OFF switch if
necessary.
Defective centrifugal ON/OFF switch?
Check and replace centrifugal ON/OFF
switch if necessary.
Summary of Contents for BS90C
Page 70: ...PAGE 70 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CRANKCASE ASSY ...
Page 72: ...PAGE 72 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CRANKSHAFT ASSY ...
Page 74: ...PAGE 74 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 MUFFLER ASSY ...
Page 76: ...PAGE 76 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 AIR CLEANER ASSY ...
Page 78: ...PAGE 78 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 GOVERNOR ASSY ...
Page 80: ...PAGE 80 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 BLOWER ASSY ...
Page 84: ...PAGE 84 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 FUEL TANK ASSY ...
Page 86: ...PAGE 86 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CARBURETOR ASSY ...
Page 90: ...PAGE 90 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 OIL SENSOR ASSY ...
Page 93: ...BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 PAGE 93 NOTES ...