Alamo MACHETE Product Service Manual page 77

PUMP - CHARGE PUMP ADAPTER ASY
CHARGE PUMP ADAPTER DIS-ASSEMBLY:
1. The following instructions apply to Charge Pump Adapter Dis-Assembly
(See Figure 30 & 31)
2. Clean, Make Sure that every thing, Pump, Connections, Tools, Work Bench, Vise and
all general conditions are very clean before beginning any work.
3. Remove Plug, Shims, Springs, and Poppet from Adapter Assembly
4. Inspect Charge Pump Relief Valve Seat inside the Charge Pump Adapter. Check
to insure that seat is smooth and free of Burrs or other defects or damage.
5. Inspect the Charge Pump Relief Valve Spring, Make sure it is not bent or broken.
6. Inspect the Bearing or Bushing inside the Charge Pump Adapter. The Bearing
Needles must remain in the bearing Cage at dimensions shown in Figure 36. The
Bushing (if used) must have no excessive scoring.
Gerotor Pocket
CHARGE PUMP ADAPTER RE-ASSEMBLY:
1. New Bearing or Bushing in Adapter Assembly, If necessary Press New Bearing or
Bushing into Adapter Assembly. The Bearing must be installed to dimensions as listed
in Figure 30. The Numbered end MUST be install Outward toward Flange as Shown
in Figure 30
2. The Bushing, if used must be pressed flush to .010" (.254 mm) recessed
3. Install Poppet, Spring, Shims, and New O-Ring on Plug. Screw Plug into Adapter
Assembly (See Figure 37). Torque Plug to 27 to 30 ft. lbs. (36.6 to 40.7 nm)
Item Qty
1 1
2 1
1
3 1
4 1
5 a/r
6 1
7 1
Machete (Service Manual) 04/04
© 2004 Alamo Group Inc.
Numbered End of Bearing
Flange
Gerotor Ring
Pocket
Description
Chrage Pump Adapter
Bearing (Press Fit)
Bushing (Press Fit)
Plug
O-Ring
Shims
Spring
Poppet
FIGURE 30
.
095" (2.41 mm)
1
7
6
Charge Pump
5
Suction Port
4
3
77
Bearing
2
Bushing
FIGURE 31