Problem | Possible Cause |
|
|
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 | Make up fluid from charge pump is not available. |
neutral | Flow control setting is wrong for reverse. |
| |
|
|
Noisy reel motor drive pump (cavita- | Reservoir oil level is low. |
tion) | Suction line is restricted. |
| |
| Suction line has an air leak. |
|
|
Reels will not turn | Cross±over relief valve(s) are stuck open. (The other reels will still |
| rotate.) |
| Valve S1 is stuck open. |
| An electrical problem exists. (See Chapter 5±Electrical System) |
| Relief valve R1 is stuck open. |
| LC1 logic valve is stuck open. |
| Reel motor drive pump is damaged. |
|
|
Reel speed is erratic | Reel to bedknife adjustment is too tight. |
| Reel bearing(s) are damaged. |
|
|
Reel motor case drain flow is exces- | Excessive internal wear in wheel motor exists. |
sive. Flow is greater than 0.7 GPM | Reel bearing(s) are damaged. |
at 1200 PSI (2.6 LPM at 82.8 bar). | |
|
|
Cutting units will not lift or lift slowly | Engine speed is too low. |
| Pump pulley drive belt is loose. |
| Charge pump is damaged. |
| Lift valve control linkage is binding or broken. |
| Lift cylinder bushings bind. |
| Reservoir oil level is low. |
| Inlet filter is loose or clogged. |
| Charge pump pressure or flow is insufficient. |
| Implement relief valve is stuck open. |
| Lift control valve is damaged. |
| Lift cylinders leak internally. |
|
|
Cutting units raise, but will not stay | Lift cylinders leak internally. |
up | Lift valve leaks. |
| |
|
|
Hydraulic System | Page 4 ± 18 | Reelmaster 2300±D/2600±D |
