Rhinotek 1640 ユーザーズマニュアル

1640-1645   01/11

Operation Section 4-43

© 2011 Alamo Group Inc.

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.