1-9
C3975
C3976
Disassembly (continued)
C3973
C3974
GEAR PUMP 1.2
6. Procedure
1. Clamp the unit in a vice from the flange side
(fig. C3973). Make sure the vice jaws are clean and
have smooth surfaces to prevent damage to the
pump. Clamping the pump body is not recommended
because serious damage to the surfaces, on which the
ports are located, may occur.
2. Use a 19mm socket wrench to loosen the four
bolts on the rear cover (fig. C3974). Next completely
unscrew the bolts and remove them. Inspect the
threads for damage (fig. C3975).
3. Place the pump on the table and slowly remove
the front flange (fog. C3976). Note, some units have
a shaft seal and others do not. Should your unit have
the shaft seal, be careful not to damage it when
removing the front flange. Inspect the front flange
and seal area.
Vice
Bolts
Remove and
inspect for
damage.
Front Flange
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