Transmission or Hydraulic System is Operating Hot
Cause
Correction
Oil in reservoir is below level.
Contaminated oil.
Fill reservoir to proper level.
Drain reservoir and refill with clean oil.
Drain reservoir and refill with proper viscosity oil.
Oil in system too light.
Heat exchanger defective.
Check oil cooler for obstructed air flow.
Replace damaged or plugged oil cooler.
Charge pressure low.
TEST NO. 1. Inspect charge relief valve R5.
Repair or replace if defective.
Transmission pressure high.
Towing by-pass is open or defective.
Wheel motor(s) worn or damaged.
Reduce transmission load. Check to make sure brakes
are not engaged.
Close towing by-pass valve. Repair or replace if
necessary.
Inspect wheel motors and repair or replace if worn or
damaged.
NOTE: If a motor has internal damage, it is likely that
the pump and other motor are also damaged.
Pump worn or damaged.
Inspect pump and repair or replace if worn or
damaged.
Transmission Operates in One Direction Only
Cause
Correction
External control linkage misadjusted, disconnected,
binding or damaged.
Adjust or repair.
Servo control valve faulty.
Inspect control valve for:
Plugged control orifices.
Damaged mounting gasket.
Misadjusted or damaged neutral return spring.
Broken control connector pin.
Galled or stuck control spool.
Neutral switch misadjusted.
Repair or replace control valve if necessary.
Transmission relief valve faulty.
TEST NO. 2. Inspect relief valves R6 and replace if
necessary.
NOTE: Relief valves can be exchanged in forward and
reverse pump circuits for testing.
Pump worn or damaged.
Replace pump.
Reelmaster 6500-D/6700-D
Page 4 - 27
Hydraulic System
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro Reelmaster 6500-D, Toro Reelmaster 6700-D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Product Type | Walk Behind Mower |
| Engine Manufacturer | Toro |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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