Driveline - Troubleshooting - Blizzard B74C Operator And Parts Manual

D T
RIVELINE
Q -
UICK DISCONNECT YOKE
Note: Quick-disconnect pins must be cleaned and greased every 16 hours.
Y
OKE
OM 0410SB-A
MAINTENANCE
ROUBLESHOOTING
AVOIDABLE DAMAGES
 Quick-disconnect pin tight or
completely seized.
 Quick-disconnect pin
damaged (broken or bent)
 Quick-disconnect pin
damaged in the locking
portion.
AVOIDABLE DAMAGES
 Yoke ears deformation
 Yoke ears distorted.
Yoke ears worn or pounded.
POSSIBLE CAUSES
 Quick-disconnect pin dirty
(insufficient maintenance).
 Quick-disconnect pin
defective (forced
engagement, incorrect
handling)
 Excessive shaft length.
 Axial loads too high.
POSSIBLE CAUSES
 Excessive shaft length.
 Axial loads too high.
 Excessive
working
and torque.

Overload caused by high
starting and peak torques.
 Excessive working angle.
36
CORRECTIVE ACTIONS
 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.
CORRECTIVE ACTIONS
 Shorten shaft length (cut both
telescopic tubes as well as
shields and remove burrs).
angle
 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
during cornering or when lifting
or lowering the implement.
 Change to a larger driveline
size.
 Replace defective yokes.
 Engage
driveline
carefully.
 Use
appropriate
devices.
 Replace defective yokes.
 Avoid
excessive
angle.
 Disengage
tractor
during cornering.
 Replace defective yokes.
driveline
more
safety
working
driveline