LT3-00032-2-A - DDKS Industries, hydraulic components distributor

ASSEMBLY PROCEDURE
BARREL HOLDDOWN AND
AUXILIARY PUMP 30 SERIES
See figure 4.1 & 10. Use special tool T2 and slip over auxiliary shaft and engage dowels
into holddown screw assembly (5), figure 4.1. Carefully tighten clockwise until holddown
screw assembly bottoms out.
NOTE: The main drive shaft must be held to prevent barrel assembly from turning. If
barrel assembly turns, the adjustment cannot be made.
Back off holddown screw assembly 140 0 , counter-clockwise.
Barrel lift-off is now set at 0.032”, 0,81mm.
Remove spanner wrench. Rotate drive shaft, to check if any binding occurs.
Lock holddown screw assembly in place by tightening the six socket head cap screws
gradually in the following torque sequence until 65 lbs-in., 7,4 Nm torque is reached.
NOTE: If barrel holddown has to be reset for any reason all six socket head cap
screws must be loosened gradually in the same order they were tightened. Do not
remove screws completely. Use the #10-32 UNF threaded holes in the insert to
disengage insert from holddown screw assembly. Insert must be loose before resetting
barrel holddown.
Torque sequence for locking holddown screw assembly
AUXILIARY PUMP
See figure 10. Slip sealing washer (1) into bore in port block, over auxiliary shaft and
seat at bottom of bore.
With the valve block face of the port block located at 12 o’clock position, the dowel pin
hole for vane cartridge assembly (2) in the port block is located between 1 o’clock and
2 o’clock position.
Grease o-rings on vane cartridge assembly.
Install vane cartridge assembly into port block, making sure dowel pin in vane
cartridge assembly to seat against sealing washer (1).
NOTE: Distance from end of vane cartridge assembly to face of port block .82” ±
0.02”, 20,8 ± 0,05mm.
Untie cords holding port plate and remove.
END COVER
Apply a light film of oil or grease to o-rings (3), (4) and tetraseals (5) and place o-rings
(3) and (4) around pilot of end cover (6), place tetraseals (5) in grooves in face of end
cover.
Apply a light film of oil or grease to o-ring (11), and place on plug (10). Thread plug
into end cover and tighten.
Engage pilot of end cover into bore of port block. Refer to figure 10 for “G” port
positioning. Align holes and secure with screws (7). Torque to 350 lbs-ft., 474.6 Nm.
Apply a light film of oil or grease to o-ring (8), and place on plug (9). Thread plug into
end cover and tighten.
Apply a light film of oil or grease to o-ring (21) and place on plug (20). Thread plug into
gage port.
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