Troubleshooting guide, And/or dump, Oil filter plugged. clean or replace filter – Rhinotek 1645 User Manual

Page 87: Hydraulic pump worn. repair or replace pump, Damage or restrictions. replace, Damaged or restricted hoses or tube, Oil lines, Properly. valve, Cylinders several times to free, System of air

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OPERATION

1640-1645 01/11

Operation Section 4-43

© 2011 Alamo Group Inc.

OPERA

T

ION

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.

External leakage

Damaged seals.

Remove leaking component;

replace seals.

Pump noisy

Inlet line restricted or leaking.

Check for air leaks, restrictions or

collapsed hose. Tighten or replace
hose. Clean filter.

Oil level too low.

Add oil as required.

Pump worn or damaged.

Repair or replace pump.

Excessive wear on bucket

Bucket is riding on cutting edge

Use boom “FLOAT” position or

cutting edge

instead of wear runners.

bucket level indicator to ensure

bucket rides on wear runners.

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