Bush Hog 1145 manual Operation, Troubleshooting Guide, Possible Cause, Possible Remedy

OPERATION

OPERATION

11. 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.
	Faulty relief valve (tractor).	Replace relief valve.
Oil Leaks	Loose connections.	Tighten fittings.
	Defective fittings or hoses.	Replace defective parts.
	Worn or damaged o-ring	Install a seal repair kit.
	or wiper seal in cylinder	See “Cylinder Service”.
	rod end.
	Worn or damaged o-rings	Install an o-ring repair kit.
	in valve.

1145 01/11 Operation Section 4-42

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