Product Manual

21
Troubleshooting (Continued)
Problem
Engine stalls when valve engaged
Cause: 1, 2, 4, 22, 24
Motor or cylinder moves slow
Cause: 1, 3, 5, 7, 22, 24, 25
Engine appears to be seized
Cause: 1, 2, 6, 7, 8, 24
Motor or cylinder moves erratically
Cause: 3, 9, 10, 11, 12, 18, 19, 20, 22, 23, 24, 25
Engine won’t turn or stalls at no load
Cause: 10, 14, 16, 21, 23, 24
Pump shaft seal leaks
Cause: 9, 11, 12, 13, 14, 15, 16, 17
Cause
Solution
1. Bad connection at hydraulic coupler. (E, J)
A. Keep oil tank full and clean.
2. Lines reversed. (C)
B. Clean vent hole.
3. Worn ball seat on coupler. (E)
C. Slowly reverse position of valve handle. If implement
moves shut down and reverse lines.
4. Auger plugged or jammed.
D. Shut engine off, remove debris.
5. Lower hydraulic oil in reservoir. (A, H)
E. Shut off engine, remove and inspect the hydraulic
coupler for worn area, if found remove and replace.
6. Pressure lock. (B, D, E, J)
F. Flush and clean hydraulic system.
7. Defective pump. (L)
G. Shut down engine and inspect oil levels. Fill to
adequate levels or change.
8. Defective engine. (L)
H. Remove pump and check to see that it moves freely.
9. Air in system (A, I)
I. Shut engine off then restart.
10. Insufficient oil to pump. (A, E, F, G, H, J)
J. Check hoses for damage and correct placement.
11. Tank breather plugged. (B)
K. Precise alignment of engine and pump is necessary
(do not force).
12. Shaft seal improperly vented. (L)
L. Return component to dealer/manufacture for
necessary repairs.
13. Leakage through pump check valve. (L)
14. Pump high pressure gear set damaged. (L)
15. Pump gear set worn. (L)
16. Pump seized-up. (H, L)
17. Drive shaft broken. (L)
18. Internal leakage in directional valve. (F, H, L)
19. Directional valve damaged. (L)
20. Obstruction in directional valve. (F, H, L)
21. Obstruction in hydraulic lines. (F, H, J, L)
22. Weak engine-low horsepower. (D, L)
23. Low engine speed. (D, L)
24. Improper engine/pump alignment. (K, L)
25. Shaft coupling loose. (K, L)