Paccar CARCO 50B, Service Manual

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PUMP INSTALLATION
Lubricate entire pump assembly with recommended oil.
Coat the capscrew threads with Loc-tite 242 or equivalent
and evenly tighten to 100-110 lb•in by 25 lb•in (11.3-12.4
N•m by 2.8 N•m) increments in a cross pattern.
When properly installed, there will be a slight gap, .005-
.040 in. (.13-1.02 mm) between the mounting ears of the
pump housing and the bevel pinion carrier. This condition
insures that the pump housing is clamped and sealing
against the wear plate.
Apply non-hardening thread sealant to the pipe threads
and install the suction (3, 4) and pressure (2) hose
adapters as follows:
A. For counter-clockwise (ccw) bevel pinion rotation, the
most common, install the pressure adapter into “A”
port.
B. For clockwise (cw) bevel pinion rotation, install the
pressure adapter into “B” port.
NOTE: Determine direction of bevel pinion rotation
when viewed from rear of winch looking forward
toward the tractor.
Install suction tube assembly (standard PTO) or suction
hose and clamp (low PTO) securely to the pump suction
port.
Install the pressure hose securely to the pump pressure
port and make certain the hose is routed away from the
bevel gears and clutch housing to avoid chaffing and fail-
ure.
i
ITEM DESCRIPTION QTY.
1 Pump Assembly 1
2 Elbow, 45 degree -8 (pressure side) 1
Elbow, 45 degree (STD PTO suction side) 1
Elbow, 45 degree 1/2 NPT adapter (LOW PTO) 1
4 Barbed Hose Adapter (LOW PTO) 1
5 Lockwasher (1/4 in.) 4
6 Capscrew, Hex Head (1/4 - 20 X 1-1/2 G8) 2
7 Capscrew, Hex Head (1/4 - 20 X 3 G8) 2
3
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