Sand Pro 2040Z Page 4 - 17 Hydraulic System
Troubleshooting
The chart that follows contains information to assist in
troubleshooting the Sand Pro 2040Z hydraulic system.
There may possibly be more than one cause for a ma-
chine malfunc tion.
Refer to the Testing section of this Chapter for p recau-
tions and specific hydraulic test procedures.
Problem Possible Cause
Hydraulic oil leaks from system. Hydraulic fitting(s) or hose(s) are loose or damaged.
O- ring(s) or seal(s) are missing or damaged.
Hydraulic fluid foams. Hydraulic oil level in reservoirs is low.
Hydraulic system is contaminated with water.
Hydraulic system has wrong type of oil.
Hydraulic system operates hot. Hydraulic oil level in reservoirs is low.
Parking brake adjustment is incorrect causing brake to drag.
Transmission b ypass valve lever(s) is partially open.
Transmission pressure is high due to excessive traction load.
Transmission fan(s) is/are damaged.
Hydraulic oil is contaminated or oil viscosity is too light.
Hydraulic oil filter is plugged.
Transmission(s) is/are worn or damaged.
Neutral is difficult to find or unit oper-
ates in one direction only.
Transmission control assembly components are misadjusted, dis-
connected, binding or damaged.
Transmission(s) is/are worn or damaged.
Traction response is sluggish. Hydraulic oil is very cold.
Transmission control assembly components are misadjusted, dis-
connected, binding or damaged.
Transmission drive belt is slipping.
Transmission(s) is/are worn or damaged.
No traction movement exists in
either direction.
Parking brake is applied or is mis- adjusted.
Hydraulic oil level in both reservoirs is low.
Transmission bypass valve levers are open.
Transmission control assembly components are misadjusted, dis-
connected, binding or damaged.
Transmission d rive belt is slipping, broken or faulty.
Transmissions are both worn or damaged.
Hydraulic
System
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