OPERATION

OPERATION

PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

*With bucket dumped,

Dampening office in unloading

Remove unloading spool and clean

boom is slow in starting

spool is plugged.

dampening orifice.

 

 

 

*Bucket does not move

Set screw is screwed in all

Readjust set screw to achieve

in self-level

the way.

proper flow split.

 

Dampening orifice in unloading

Remove unloading spool and clean

 

spool is plugged.

dampening orifice.

 

Ports A and B are plumbed

Reverse hoses on ports A and B of

 

backwards.

self-level valve.

 

 

 

*Bucket curls in self-level

Ports C and D are plumbed

Reverse hoses on ports C and D of

 

backwards.

self-level valve.

 

 

 

*External leakage

Damaged seals.

Remove leaking component;

 

 

replace seals.

 

 

 

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.

 

 

 

*Bucket dumps faster than

Set screw is out of adjustment.

Readjust set screw to achieve

boom raises. Too much

 

proper flow split.

self-level

Flow divider spool is stuck

Remove flow divider spool and

 

towards port B.

inspect for damage.

 

Flow divider spool is installed

Remove spool and install with

 

wrong.

internal orifice toward port B.

 

 

 

*External leakage

Damaged flow divider plug

Remove plug and replace damaged

 

o-ring.

o-ring.

 

Damaged plunger plug o-ring.

Remove plug and replace damaged

 

 

o-ring.

 

Damaged unloading spool plug

Remove plug and replace damaged

 

o-ring.

o-ring.

 

Damaged adjustment cap o-ring.

Remove adjustment cap and replace

 

 

damaged o-ring.

 

Leakage around set screw.

Remove adjustment cap and replace

 

 

damaged o-ring on set screw.

* Loaders with optional self-leveling valve.

2412 01/11

Operation Section 4-44

© 2011 Alamo Group Inc.

Page 88
Image 88
Servis-Rhino 2412 manual Problem Possible Cause Remedy