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OPERATION
1900 07/11 Operation Section 4-51
© 2011 Alamo Group Inc.
OPERATION
Problem Possible Cause Remedy
Spindle Locks Up
(Seizes and Won't Turn)
Loss of lubrication in
spindle
Indicated by catastrophic failure of the upper
bearing. See the previous section
Excessive bearing pre-
load
Disassemble the spindle and inspect the
bearings for wear. Re-assemble following the
bearing pre-load specifications in the Technical
Service Manual.
Blade bar bolts too long Installing the incorrect bolts (too long) for the
blade carrier will allow the bolts to contact the
lower bearing and will lock up the spindle.
Install the correct bolts.
Interference due to bent
seal protector
Inspect the seal guard ring (welded to the blade
carrier or bar) Replace or repair as needed.
Starter on Tractor
Won't Crank
Wire harness incorrectly
installed
Check harness attachment to the ignition switch
and to the battery. Also, check for proper
ground.
Tractor Battery Dead or
Low (Continuous
Power Draining)
On/Off switch malfunction Inspect to ensure power to switch is interrupted
when the switch is in the off position
Short to ground in wire
harness
Inspect for damage or heat stress to the
harness. Check for shorted wires or melted
insulation. Check proper connection to the
ignition switch and battery.
Battery failure Test the battery and replace per the tractor
manufacturers recommendation
Tractor issues Follow tractor manufacturer recommendations
for troubleshooting electrical problems with the
tractor.