Traction Circuit Problems
Problem
Possible Causes
Traction response is sluggish.
Bypass valve in the traction pump/hydrostat is
open or defective.
Charge pressure is low. Hydraulic oil is very
cold.
Towing by−pass valve is open or worn. Brake
is not released.
Traction pump or wheel motor(s) are worn or
damaged.
Neutral is difficult to find, or unit operates in
one direction only.
External control linkage is mis-adjusted,
disconnected, binding, or damaged.
Traction pump is worn or damaged.
No traction exists in either direction.
Brake is not released.
Oil level in reservoir is low.
Towing by−pass valve is open.
Charge pressure is low.
Traction pump or wheel motor(s) are worn or
damaged.
Traction pump drive belt loose or broken.
Wheel motor will not turn.
Internal parts in wheel motor are damaged.
Brakes are binding.
Key on wheel motor shaft is sheared or
missing.
Wheel motor will not hold load in neutral.
Make up fluid from charge pump is not
available.
Hydrostat ball check valves are damaged.
Mow Circuit Problems
Problem
Possible Causes
Reel motor drive pump is noisy (cavitation).
Reservoir oil level is low.
Suction line is restricted.
Suction line has an air leak.
Reels will not turn.
Solenoid valve SV is stuck open.
An electrical problem exists (see
Electrical System (page 6–1)
).
Gear pump P1 is damaged.
Reel speed is erratic.
Reel to bedknife adjustment is too tight.
Reel bearing(s) are damaged.
Reel(s) turn too slowly.
Reel section of pump is inefficient (see
Circuit Testing − Pressure Test (page 5–40)
).
Reel motor has internal leakage or
malfunctioning cross−over relief valve (see
Reel Motor Cross−over Relief Pressures Test
(Using Pressure Gauge) (page 5–46)
).
Reel bearing(s) are damaged.
Troubleshooting:
Page 3–4
Reelmaster
®
3100-D/3105-D
20252SL Rev A
Summary of Contents for 03200 Reelmaster 3100-D
Page 4: ...NOTES NOTES Page 4 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 6: ...g341979 Figure 1 Preface Page 6 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 10: ...Preface Page 10 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 20: ...Safety Safety and Instructional Decals Page 1 10 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 44: ...Specifications and Maintenance Special Tools Page 2 24 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 224: ...Hydraulic System Service and Repairs Page 5 148 Reelmaster 3100 D 3105 D 20252SL Rev A ...
Page 385: ......