John Deere SB1154 Snow Blower User Manual


 
MAINTENANCE
OM 0369SB1148-A 31
D
RIVELINE
T
ROUBLESHOOTING
AVOIDABLE DAMAGES POSSIBLE CAUSES CORRECTIVE ACTIONS
Q
UICK
-
DISCONNECT YOKE
Quick-disconnect pin tight or
completely seized.
Quick-disconnect pin
damaged (broken or bent)
Quick-disconnect pin
damaged in the locking
portion.
Quick-disconnect pin dirty
(insufficient maintenance).
Quick-disconnect pin
defective (forced
engagement, incorrect
handling)
Excessive shaft length.
Axial loads too high.
Clean, oil and follow service
instructions.
Replace quick-disconnect pin.
Shorten shaft length (cut both
telescopic tubes as well as
shield and remove burrs).
Replace quick-disconnect pin.
Clean and grease telescopic
tubes, and replace both tubes,
if necessary.
Replace quick-disconnect pin.
Note: Quick-disconnect pins must be cleaned and greased every 16 hours.
AVOIDABLE DAMAGES POSSIBLE CAUSES CORRECTIVE ACTIONS
Y
OKE
Yoke ears deformation
Excessive shaft length.
Axial loads too high.
Excessive working angle
and torque.
Shorten shaft length (cut both
telescopic tubes as well as
shields and remove burrs).
Replace defective yokes.
Clean and grease telescopic
tubes, and replace both tubes,
if necessary.
Replace defective yokes.
Verify compatibility between
shaft and working conditions
(torque vs. angle).
Disengage tractor driveline
during cornering or when lifting
or lowering the implement.
Change to a larger driveline
size.
Replace defective yokes.
Yoke ears distorted.
Overload caused by high
starting and peak torques.
Engage driveline more
carefully.
Use appropriate safety
devices.
Replace defective yokes.
Yoke ears worn or pounded.
Excessive working angle. Avoid excessive working
angle.
Disengage tractor driveline
during cornering.
Replace defective yokes.