310-0510 IHT
8
UNIT OPERATING HOT
SECTION 3. TROUBLESHOOTING
WARNING
Do not attempt any servicing or adjust-
ments with the engine running.
Use extreme caution while inspecting the
drive belt assembly, and all vehicle link-
age!
Follow all safety procedures outlined in
the vehicle owner’s manual!
In many cases problems with the 310-0510 are
not related to a defective transaxle, but are
caused by slipping drive belts, partially
engaged bypass valves, and loose or
damaged control linkages. Be sure to perform
all operational checks and adjustments outlined
in Section 4, Service and Maintenance before
assuming the unit is malfunctioning. Table 2
below provides a troubleshooting check list to
help determine the cause of operational prob-
lems.
Table 2. 310-0510 Troubleshooting Checklist
Vehicle tires improperly inflated
Control linkage bent, loose or out of adjustment
Bypass partially engaged
Refer to vehicle manufacturer suggested pressure
Repair, adjust or replace vehicle linkage
Adjust bypass linkage
UNIT IS NOISY
UNIT HAS NO/LOW POWER
Oil level low or contaminated oil
Excessive loading
Brake setting incorrect
Loose parts
Bypass assembly sticking
Air trapped in hydraulic system
Debris buildup around transaxle
Brake setting incorrect
Cooling fan damaged
Oil level low or contaminated oil
Excessive loading
Air trapped in hydraulic system
Clean off debris, Page 9
Adjust brake to proper setting, Page 13
Repair or replace cooling fan
Fill to proper level or change oil, Page 10
Reduce vehicle loading, Page 9
Purge hydraulic system, Page 11
Corrective Action Possible Cause
VEHICLE DOES NOT DRIVE/TRACK STRAIGHT
Repair or replace linkage, Page 9
Repair or replace drive belt or pulley, Page 9
Control linkage bent or out of adjustment
Drive belt slipping or pulley damaged
UNIT OPERATES IN ONE DIRECTION ONLY
Fill to proper level or change oil, Page 10
Reduce vehicle loading, Page 9
Adjust brake to proper setting, Page 13
Repair or replace loose parts
Repair or replace valve or linkage
Purge hydraulic system, Page 11
Adjust to correct setting
Repair or replace linkage, Page 9
Adjust brake to proper setting, Page 13
Repair or replace drive belt or pulley, Page 9
Fill to proper level or change oil, Page 10
Reduce vehicle loading, Page 9
Repair or replace valve or linkage
Purge hydraulic system, Page 11
Engine speed low
Control linkage bent or out of adjustment
Brake setting incorrect
Drive belt slipping or pulley damaged
Oil level low or contaminated oil
Excessive loading
Bypass assembly sticking
Air trapped in hydraulic system
TRANSAXLE LEAKS OIL
Replace damaged component
Purge hydraulic system, Page 11
Damaged seals, housing, or gaskets
Air trapped in hydraulic system
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