DISASSEMBLY AND ASSEMBLY
HAND METERING PUMP
ASSEMBLE HAND METERING PUMP 4312-16
1. Make sure all of the parts of the hand metering
pump are clean and free of dirt and foreign mate-
rial. Put clean SAE 10 oil on all parts at assem-
Install O-ring seals (2) and (4) on seat (3).
Install retainer (6), ball (5), seat (3) and plug
(1) in pump body (7). Tighten the plug to a
torque of 11 N.m (8 lb. ft.). Make sure the plug
is even with or below the pump body surface
after it is tightened.
Install seals (8) in the bushing.
Install O-ring seal (10) in pump body (11). Put
bushing (9) in position in pump body (11). Install
the spiral lockring that holds it.
Turn the pump body over. Install O-ring seal
(14) on the pump body.
Install bearing races (12) and bearing (13) in the