Service Manual

HYDRO-GEAR TRANSAXLE
4 - 16 TimeCutter
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Z Service Manual
In many cases, problems with the 310-2200 are not
related to a defective transaxle, but are caused by
slipping drive belts, partially engaged bypass valves,
and loose or damaged control linkages. The table
below provides a troubleshooting checklist to help
determine the cause of operational problems.
310-220 EZT™ Troubleshooting Checklist
WARNING
Do not attempt any servicing or adjustments
with the engine running.
Use extreme caution while inspecting the
drive belt assembly and all vehicle linkage!
Follow all safety procedures outlined in
the vehicle owner’s manual.
Possible Cause Corrective Action
UNIT OPERATES IN ONE DIRECTION ONLY
• Control linkage bent or out of adjustment.
• Drive belt slipping or pulley damaged.
• Repair or replace linkage.
• Repair or replace drive belt or pulley.
VEHICLE DOES NOT DRIVE/TRACK STRAIGHT
• Vehicle tires improperly inflated
• Control linkage bent or out of adjustment
• Bypass assembly sticking
• Refer to vehicle manufacturer suggested pressure
• Repair or replace linkage
• Repair or replace bypass
UNIT IS NOISY
• Oil level low or contaminated oil
• Excessive loading
• Loose parts
• Bypass assembly sticking
• Air trapped in hydraulic system
• Fill to proper level or change oil
• Reduce vehicle loading
• Repair or replace loose parts
• Repair or replace linkage
• Purge hydraulic system
UNIT HAS NO/LOW POWER
• Engine speed low
• Control linkage bent or out of adjustment
• Drive belt slipping or pulley damaged
• Oil level low or contaminated oil
• Excessive loading
• Bypass assembly sticking
• Air trapped in hydraulic system
• Adjust to correct setting
• Repair or replace linkage
• Repair or replace drive belt or pulley
• Fill to proper level or change oil
• Reduce vehicle loading
• Repair or replace linkage
• Purge hydraulic system
UNIT IS OPERATING HOT
• Debris buildup around transaxle
• Cooling fan damaged
• Oil level low or contaminated oil
• Excessive loading
• Air trapped in hydraulic system
• Clean off debris
• Repair or replace cooling fan
• Fill to proper level or change oil
• Reduce vehicle loading
• Purge hydraulic system
TRANSAXLE LEAKS OIL
• Damaged seals, housing, or gaskets
• Air trapped in hydraulic system
• Replace damaged component
• Purge hydraulic system
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