Page
26
5.
Install the outer races and retainer
rings in the power frame. A light
uniform pressure is required to install
the race. The retainer rings are
secured in grooves by installing locks.
6.
The crankshaft can be installed through
either end of the power end.
7.
Reverse steps 1 through 7 above to
complete installation.
WARNING
Do not drive against rollers or bearing
cage. Drive only against the bearing
race, as severe damage to the bearings
could occur.
WARNING
When
reassembling
the
crankshaft
assembly, make sure to follow these
steps:
1.
Pack the outer races in dry ice
before assembling in the frame.
2.
Heat the inner bearing races before
installing on crankshaft. (250
°°°°
F
max. oven or oil bath).
3.
Braze the retaining rings on the
crankshaft. Avoid direct contact
with
the
inner
race
or
the
crankshaft.
4.
Reinstall the safety wire and/or
Loctite the bolts holding the bull-
gears to the crankshaft.
Failure to follow these directions may
result in serious damage to the pump.
Summary of Contents for HD-2250
Page 15: ...FIGURE 2 1 HD 2250 PUMP Page 9...
