Traction Circuit Problems
Problem
Possible Cause
Neutral is difficult to find or unit oper-
ates in one direction only
Traction control linkage is misadjusted, disconnected, binding or
damaged.
Piston (traction) pump check relief valve is not seating or is dam-
aged (NOTE: Piston (traction) pump check relief valves for forward
and reverse are identical and can be reversed for testing pur-
poses).
Piston (traction) pump is worn or damaged.
Charge pressure is low.
Traction response is sluggish
Hydraulic oil is very cold.
Parking brake is dragging or binding.
Traction pump bypass valve is loosened.
Flushing valve in traction pump is not seating or is damaged.
Piston (traction) pump charge relief valve is not seating or is dam-
aged.
Piston (traction) pump check relief valve is not seating or is dam-
aged (NOTE: Check relief valves for forward and reverse are iden-
tical and can be reversed for testing purposes).
Piston (traction) pump is worn or damaged.
Parking brake is dragging or binding.
No traction in either direction
Traction control linkage is misadjusted, disconnected, binding or
damaged.
Oil level in hydraulic reservoir is low (other hydraulic systems af-
fected as well).
Traction pump bypass valve is loosened.
Flushing valve in traction pump is not seating or is damaged.
Piston (traction) pump check valve is not seating or is damaged.
Charge pressure is low.
Wheel motor(s) and/or piston (traction) pump are worn or damaged
(NOTE: If a traction circuit component has internal wear or dam-
age, it is possible that other traction components are also dam-
aged).
Single wheel motor turns while un-
loaded, but slows down or stops
when load is applied
Wheel motor is worn or damaged.
(NOTE: If a traction circuit component has internal wear or dam-
age, it is possible that other traction components are also dam-
aged)
Hydraulic System
Page 4 -- 22
Reelmaster 5010 Series
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Document Type | Catalog, Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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