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Factory Direct Tractors
Trouble-Shooting
9.2.6 Hydraulic system
a. Three point linkage not lifting
b. Implement not lowering
9.3 Electrical system
9.3.1 Battery
a. Insufficient battery power
Troubles & possible causes
Solutions
a. Oil level too low or incorrect specification of oil
in the transmission.
Add or replace with specified oil to the correct
level.
b. Oil filter blocked
Replace the filter.
c. Air being sucked into hydraulic system.
Bleed air in the system and tighten connector or
replace seal ring.
d. Oil pump seal ring badly worn out causing
serious internal leakage.
Replace the oil pump seal ring.
e. Main control valve seized.
Operate lift control lever several times and adjust
the main control valve with a screw driver, if still
seized, disassemble and service as required.
f. Main control valve badly worn out.
Replace worn out parts.
g. Safety valve failure.
Readjust or repair safety valve.
h. Cylinder leaking seriously.
Replace seal ring or replace the worn out parts as
necessary.
i. Leakage at distributor seal rings.
Replace seal rings.
Troubles & possible causes
Solutions
a. Low electrolyte level.
Add electrolyte to specified level.
b. Short circuit among the battery terminals.
Clean off deposits, change electrolyte and replace
terminal clamps.
c. Terminals sulphurised.
Pour hot water over terminals and lubricate with
grease.
d. Alternator or regulator failure.
Repair alternator or regulator.
e. Poor electrical connection.
Check wire connections and rectify problem.
Troubles & possible causes
Solutions
a. Main control valve seized or the response
control valve is closed.
Operate lift control lever several times and adjust
the main control valve with a screw driver, if still
seized, disassemble and service as required, or
screw up the response control valve to the highest
position.
9-8
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 ...