Alamo BUSH HOG RMB 1660 Operator's Manual page 174

Problem
Spindle Locks Up
(Seizes and Won't Turn)
Starter on Tractor Won't
Crank
Tractor Battery Dead or
Low (Continuous Power
Draining)
RMB 1660 01/22
© 2022 Alamo Group Inc.
OPERATION
Possible Cause
Loss of lubrication in
spindle
Excessive bearing pre-
load
Blade bar bolts too long
Interference due to bent
seal protector
Wire harness incorrectly
installed
On/Off switch malfunction
Short to ground in wire
harness
Battery failure
Tractor issues
Operation Section 4-52
Remedy
Indicated by catastrophic failure of the upper
bearing. See the previous section
Disassemble the spindle and inspect the
bearings for wear. Re-assemble following the
bearing pre-load specifications in the Technical
Service Manual.
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.
Inspect the seal guard ring (welded to the blade
carrier or bar) Replace or repair as needed.
Check harness attachment to the ignition
switch and to the battery. Also, check for
proper ground.
Inspect to ensure power to switch is interrupted
when the switch is in the off position
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.
Test the battery and replace per the tractor
manufacturers recommendation
Follow tractor manufacturer recommendations
for troubleshooting electrical problems with the
tractor.