Steering/Lift/Sidewinder Circuit Testing − Gear Pump (P2) Flow
Test
g345084
Figure 56
Gear pump (P2) is designed to satisfy both steering cylinder and lift cylinder
needs simultaneously (at full speed throttle). The Gear Pump (P2) Flow Test
compares fluid flow at No Load with fluid flow Under Load. A drop in flow under
load of more than 15% indicates the gears and wear plates in the pump have
worn. Continued operation with a worn pump can generate excessive heat and
cause damage to the seals and other components in the hydraulic system.
If unit steering is sluggish or otherwise performs poorly, see
Steering/Lift/Sidewinder Circuit Testing − Steering Control Valve and Steering
Cylinder Test (page 5–60)
.
If cutting unit lift operation is unsatisfactory, check lift control manifold solenoid
valves and/or lift cylinders. Additional information on these components is
available in this chapter.
If both steering and lift operations perform poorly, perform the gear pump (P2)
flow test and circuit relief valve pressure test (see
Steering/Lift/Sidewinder Circuit
Testing − Relief Valve Pressure Test (page 5–58)
).
Special Equipment Required:
•
Flow Meter with Pressure Gauge that has at least a 16 LPM (5 GPM) capacity
•
Phototach (non−contact tachometer)
1. Park the machine on a level surface with the cutting units lowered and PTO
switch in the disable position. The engine should be off and the parking
brake engaged.
2. Read
Precautions for Hydraulic Testing (page 5–27)
.
Reelmaster
®
3100-D/3105-D
Page 5–55
Hydraulic System: Testing
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: ......