HF-7-604 Page 41
9. Bearing Retainer Plates Installation
37.
Place two bearing retainer plates (13) on the gear
end housing. Ensure the oil drain slots on the
plates are positioned over drain holes in the
bearing housing as to not block the drain holes.
38.
Mount bearing retainer plates onto the gear end
bearing housing with seven screws (14) and lock
washers (32). The center bolt, be- tween the two
plates,
has
an
oversized
fl
at washer (24) between the
plates and the lock washer.
39.
Tighten the screws to 75-lbs. torque.
40.
Position the assembly vertically with the drive end
on the top for the next step.
CLEARANCE TABLE
CLEARANCES
HF825
HF817
IMPELLER TO DRIVE HEADPLATE
0.027” Minimum
0.020” Minimum
IMPELLER TO GEAR HEADPLATE
0.008”-0.011”
0.008”-0.011”
IMPELLER INTERLOBE TIMING Min. (A)
0.01" Closed / 0.013" Open
0.01" Closed / 0.013" Open
TIP TO CASE CLEARANCE INLET (B)
0.021” Minimum
0.017” Minimum
TIP TO CASE CLEARANCE DISCH. (C)
0.010” Minimum
0.009” Minimum
GEAR BACKLASH
0.001”-0.0045”
0.001”-0.0045”
Summary of Contents for HELIFLOW 8 Series
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