Bush Hog 3327 manual Troubleshooting Guide, Trouble Possible Cause Possible Remedy

OPERATION

12. Troubleshooting Guide

TROUBLE	POSSIBLE CAUSE	POSSIBLE REMEDY
Loader slow or will not lift	Hydraulic oil too heavy.	Change to proper oil.
and/or dump	Oil filter plugged.	Clean or replace filter.
	Hydraulic pump worn.	Repair or replace pump.
	Oil line restricted or leaking.	Check all hoses and tubes for leaks,
		damage or restrictions. Replace
		damaged or restricted hoses or tube
		oil lines.
	Control valve does not shift	Inspect, clean, repair or replace
	properly.	valve.
	Air in hydraulic system.	Cycle lift cylinders and bucket
		cylinders several times to free
		system of air.
	Cylinder leaks internally.	Replace seals.
	Faulty relief valve (tractor).	Clean and replace relief valve.
Loader chatters or	Air leak in pump inlet line.	Check, tighten or replace inlet line.
vibrates when raising
or lowering	Air in hydraulic system.	Cycle lift and bucket cylinders.
	Oil level too low.	Add oil as required.
*Boom delay at start	Air in system.	Cycle lift cylinders and bucket
of self-level or unstable		cylinders several times to free
self-level		system of air.
*Loaded bucket dumps	Unloading spool is leaking.	Remove and inspect unloading
or uncurls when control		spool for damage.
valve is in neutral	Control linkage binding.	Inspect, adjust or repair linkage.
	Cylinder seals bypassing oil.	Repair or replace cylinders.
*Insufficient self-level	Set screw is out of adjustment.	Readjust set screw to achieve
		proper flow split.
	Spring on unloading spool	Remove plug; replace unloading
	is broken.	spool spring.
	Flow divider spool is stuck	Remove flow divider spool and
	towards adjustment pin side.	inspect for damage.

3327 01/11 Operation Section 4-43

© 2011 Alamo Group Inc.

OPERATION