4-415
Fault Finding for Hydraulic and Mechanical Systems
H-08 Parking brake not applied sufficiently
★
Diagnose electric systems first. If they are normal, then use procedures stated as below.
1 YES
NO
Is brake release
valve output pres-
sure as specified?
*See Standard
Value Chart.
Possible cause
Remedy
Parking brake (multi-disc
brake) inner parts worn.
Repair. Renew
as necessary.
Charge circuit pressure not
normal (Use procedures start-
ing from reference number 6
in H-01.).
H-09 Parking brake not released
★
Diagnose electric systems first. If they are normal, use procedures described as below.
1 YES
NO
Is brake release
valve output pres-
sure as specified?
Possible cause
Remedy
Parking brake piston seized.
Renew motor.
Brake release valve faulty.
Clean and adjust.
Renew if
necessary.
*See Standard
Value Chart.
H-10 No sprinkling
★
Diagnose electric systems first. If they are normal, then use procedures described below.
1
2 YES
NO
Does water gush
out if hose is dis-
connected from
pump outlet?
Does water gush
out if filter is
renewed?
YES
NO
Possible cause
Remedy
Filter clogged.
Renew.
Pipes or nozzles clogged.
Adjust. Renew if
necessary.
Sprinkler pump faulty.
Renew.
Summary of Contents for SW800 Series
Page 1: ...CONFIDENTIAL SHOP MANUAL Series ...
Page 2: ......
Page 4: ......
Page 6: ......
Page 7: ...SPECIFICATIONS ...
Page 8: ......
Page 9: ...1 001 SPECIFICATIONS 1 External Views and Specifications 1 1 SW800 1 002 1 2 SW850 1 003 ...
Page 12: ...MEMO ...
Page 13: ...STRUCTURE OPERATION ...
Page 14: ......
Page 32: ...2 018 ...
Page 68: ...INSPECTION ADJUSTMENT ...
Page 69: ......
Page 73: ...3 101 ...
Page 88: ...TROUBLESHOOTING ...
Page 89: ......
Page 114: ...4 219 Troubleshooting for Electric System ...