TUFF CAT 2X1000 - Pump Maintenance: Discharge Valve Assembly

11
MAINTENANCE OF THE PUMP
DISASSEMBLY OF THE DISCHARGE VALVE ASSEMBLY
1. Remove pump and motor assembly from
case and drain oil from crankcase of pump.
2. Disconnect by-pass hose from the bottom
unloader by-pass fitting. (Figure A)
3. With a standard M6 allen wrench remove
the six (6) socket head screws from the
manifold. (Figure A)
4. Remove discharge manifold by tapping
backside of manifold on opposite sides
with a soft mallet. Support manifold and
unloader assembly from underside and
pull away from crankcase. (Figure B)
5. The discharge adapter-seats may stay
with either the discharge or inlet manifold.
By inserting two opposing screwdrivers
between adapter-seats and manifold you
can easily pry them out of the discharge
manifold. (Figure C)
If the discharge adapter-seats stay in the
inlet manifold, gently work them up and
down as you pull away from crankcase.
(Figure D)
6. The valve assemblies are in the dis-
charge manifold ports and will fall out
when manifold is turned over. A complete
valve assembly includes: (
★) retainer,
spring, valve, and o-ring. (Figure E)
Figure A
Figure B
Figure C
Figure D
Figure E