Mahindra ML170 series - 24 Trouble Shooting Procedures; Trouble Shooting for All Loaders

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24. TROUBLE SHOOTING PROCEDURES
This Trouble Shooting Chart is provided for reference to possible loader operational problems.
Determine the problem that best describes the operational problem being experienced and eliminate the possible
causes as listed by following the correction procedures.
For further assistance contact your dealer.
24.1. TROUBLE SHOOTING FOR ALL LOADERS
PROBLEM POSSIBLE CAUSE CORRECTION
Lift and Tilt Cylinders inoperative
Low hydraulic fluid level. Check and replenish hydraulic fluid.
Hydraulic hoses connected
improperly.
Check and correct hydraulic hose
connections
Hydraulic Hoses to/from loader
valve blocked.
Check for damaged (kinked) hoses,
etc.
Loader valve or tractor main relief
valve stuck open.
Check system pressure. Repair or
replace relief valve.
Low system pressure supplied from
hydraulic pump.
Check system pressure. Repair or
replace pump.
Loader valve linkage broken. Inspect. Repair as required.
Quick disconnect coupler(s) are not
fully connected.
Check coupler connections.
Replace coupler(s) if necessary.
Hydraulic hose or tubeline
blockage.
Check all hoses and tubes for leaks,
damage, or restrictions. Replace
damaged or restricted hoses or tube
lines.
Cylinder piston assembly defective
(not sealing).
Check cylinders for internal leakage
as described in service section
under cylinder leakage tests.
Loader valve blockage. Inspect for blockage. Disassemble
valve if necessary.
Lift and/or tilt cylinders operate
in wrong direction relative to
valve handle position
Hydraulic hoses connected
incorrectly.
Correct hydraulic hose connections.
Attachment will dump but will not
rollback
Hydraulic circuit connected
incorrectly.
Refer to plumbing diagram on Page
32 and correct hose connections.
Slow or erratic lift
Low hydraulic fluid level. Check and replenish hydraulic fluid.
Cold hydraulic fluid. Allow hydraulic system to warm up
to operating temperature.
Engine R.P.M. too slow (hydraulic
pump R.P.M. too slow).
Increase engine speed to obtain
satisfactory loader operation.
Excessive weight in bucket. Material
weight exceeds maximum specified
loader capacity.
Reduce material load.
Loader valve linkage
binding/defective.
Check loader valve linkage and
repair if worn/defective.