BOTH LOADER BUCKET CYLINDERS DO NOT WORK

TM 5-2420-222-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

12. BOTH LOADER BUCKET CYLINDERS DO NOT WORK

Check operation of loader boom (TM 5-2420-222-10).

a. If loader boom operates properly, replace loader control valve (page 2-1285).

b. If loader boom does not operate properly, go to Hydraulic Systems Malfunction 13: All Loader

Bucket And Boom Cylinders Do Not Work, below.

13. ALL LOADER BUCKET AND BOOM CYLINDERS DO NOT WORK

Step 1. Check loader control valve-to-hydraulic oil filter relief valve oil line (1) for sharp bends, dents, or kinks.

a. If loader control valve-to-hydraulic oil filter relief valve oil line (1) is not bent, dented, or kinked, go

to step 2.

b. If loader control valve-to-hydraulic oil filter relief valve oil line (1) has sharp bend, dent, or kink,

replace (page 2-1653).

Step 2. Check pressure control valve-to-loader control valve oil line (2) for sharp bends, dents, or kinks.

a. If pressure control valve-to-loader control valve oil line (2) is not bent, dented, or kinked, replace

loader control valve (page 2-1285)

b. If pressure control valve-to-loader control valve oil line (2) has a sharp bend, dent, or kink,

replace (page 2-1647).

14. JAW CYLINDER DOES NOT WORK

Step 1. Check jaw direct linear valve-to-jaw cylinder oil lines (3 thru 6) for sharp bends, dents, or kinks.

a. If jaw direct linear valve-to-jaw cylinder oil lines (3 thru 6) are not bent, dented, or kinked, go to

step 2.

2-120