Factory Direct Tractors
Front End Loader
Trouble
Possible causes
Solution
Excessive foam in oil tank
1. Improper hydraulic oil usage.
Refer to tractor operator’s
manual and replace hydraulic
oil using recommended
hydraulic oil.
2. Oil below specific level
Refill oil to the specific level
3. Air leaking into suction side of
hydraulic pump.
Check for loose or defective
connections between reservoir
and hydraulic pump.
Abnormal noise of the oil pump
1. Excess foam in oil tank.
Replenish oil and bleed air
2. Oil intake pipe or oil filter
clogged.
Clean oil filter and intake pipe.
Acting speed of the bucket is
slow and insufficient
1. Large interior leakage in gear
pump or control valve.
Replace or repair it.
2. Oil filter is clogged.
Clean the filter.
3. Oil level is low, oil type is
incorrect.
Fill with specified oil type to
specified level.
4. Interior leakage in cylinder.
Inspect hydraulic system,
replace seals according to
specified setting of cylinder.
Oil leakage
1. O-ring damaged.
Replace rubber oil seal.
2. Gasket damaged.
Replace with a new one.
3. Loose hydraulic connection.
Tighten loose connections.
4. Control valve spool or body
damaged or worn.
Replace control valve.
5. Cylinder rod packing set
leakage.
Check cylinders for leakage.
Repair as needed.
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Summary of Contents for ZB25
Page 1: ...Factory Direct Tractors Operator s Manual ZB25 ZB35 ZB45 ...
Page 2: ...Factory Direct Tractors ...
Page 30: ...Factory Direct Tractors Front End Loader Safety ROL 350KG S 25 ...
Page 31: ...Factory Direct Tractors Front End Loader Safety S 26 ...
Page 32: ...Factory Direct Tractors Front End Loader Safety S 27 ...
Page 33: ...Factory Direct Tractors Front End Loader Safety S 28 ...
Page 34: ...Factory Direct Tractors Front End Loader Safety BL25 S 29 ...
Page 61: ...Factory Direct Tractors Technical Maintenance 7 6 7 6 Recommended oil ...
Page 91: ...Factory Direct Tractors Front End Loader THIS PAGE INTENTIONALLY BLANK ...
Page 92: ...Factory Direct Tractors Front End Loader 13 1 13 1 BUCKET ASSEMBLY 13 Loader Parts ...
Page 94: ...Factory Direct Tractors Front End Loader 13 3 13 2 TOOL CARRIER ASSEMBLY ...
Page 96: ...Factory Direct Tractors 13 5 Front End Loader 13 3 ARM ASSEMBLY ...
Page 98: ...Factory Direct Tractors Front End Loader 13 7 Front End Loader 13 4 MOUNTING KIT ASSEMBLY ...
Page 101: ...Factory Direct Tractors 13 10 Front End Loader THIS PAGE INTENTIONALLY BLANK ...
Page 111: ...Factory Direct Tractors ...