Operation Manual

ManualsBrandsKubota ManualsMiscellaneousBX25

BX25.

RCK54(P)-23BX,

RCK60B-23BX,

LA240,

BT601.

WSM

FRONT LOADER

2.

TROUBLESHOOTING

Symptom

Boom Does

Not

Rise

Boom Does

Not

Lower

Insufficient Boom

Speed

Bucket Does

Not

Move

Probable Cause

Control valve malfunctioning

Boom cylinder defective

Control lever linkage defective

Hydraulic pump malfunctioning

Oil filter clogged

Hydraulic hose damaged

Control valve malfunctioning

Boom cylinder tube worn or damaged

Solution

Repair or replace

Repair

or

replace

Repair

or

replace

Repair or replace

Clean or replace

Replace

Repair or replace

Replace

Reference

Page

8-S11

8-S12

8-S10

5-S12

G-13

8-S12

8-S11

8-S13

I

i

I

i

Boom cylinder piston ring (piston seal and

0-

ring) worn

or

damaged

Oil leaks from tube joints

Relief valve setting pressure too low

Insufficient transmission fluid

Dirty relief valve

Control valve malfunctioning

Replace

Repair

Adjust

Refill

Clean

Repair or replace

8-S14

8-S9

8-S2

-

8-S11

Bucket cylinder defective

Control lever linkage defective

Hydraulic pump malfunctioning

Oil filter clogged

Relief valve spring damaged

Hydraulic hose damaged

Repair

or

replace

Repair

or

replace

Repair or replace

Clean

or

replace

Replace

Replace

8-S12

8-SlO

5-S12

G-13

-

8-S12

Dirty relief valve Clean

Insufficient Bucket

Speed

Bucket cylinder tube worn

or

damaged Replace

8-S13

Bucket cylinder piston ring (piston seal and

0-

ring) wom or damaged

Replace

8-S14

Oil leaks from tube joints

Repair

-

Insufficient transmission fluid

Refill

8-S2

Front End Loader

Drops

by

its Weight

Boom cylinder tube worn or damaged

Replace

8-S13

Boom cylinder piston ring (piston seal and

0-

ring) worn

or

damaged

Replace

8-S14

Oil leaks from tube joints

Repair

8-S13

Control valve malfunctioning

Repair

or

replace

8-S11

W1014322

8-S4