HALE AP, Technical Manual

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Release and remove snap ring pliers. 3.
Discard snap ring. 4.
B. Remove pump side bearing from pump shaft.
Using a hydraulic press (a large arbor press may work), press pump shaft 1.
out of pump side bearing.
NOTE
The bolster setup for the press must allow the pump shaft to pass thru the bearing
and the bolster while securely supporting the bearing.
a) Configure hydraulic press bolster plate with opening/bore hole or cribbing per
NOTE above.
b) Place pump shaft (impeller/inducer end down) on bolster plate (or cribbing) so
bearing is stable and secure and pump shaft will pass thru bearing and plate
opening or cribbing.
Catch pump shaft or pull it out of bearing. 2.
C. Install pump side bearing on pump shaft.
Using hydraulic press bolster plate configuration from removal above. 1.
Lubricate pump shaft and bore of inner race of bearing with gear oil. 2.
Place bearing on plate opening or cribbing so bearing is stable and se- 3.
cure and pump shaft will pass thru bearing.
Align pump shaft (drive side toward bearing) squarely with bearing bore. 4.
Press pump shaft into bearing until bearing is seated against shaft collar. 5.
D. Install a new pump side bearing snap ring.
(NOTE: Refer to paragraph 5.7.5 for proper ring orientation.)
Using snap ring pliers, insert tips of pliers into holes in a new snap ring. 1.
Fully expand snap ring. 2.
Push snap ring onto pump shaft until aligned with snap ring groove. 3.
Release and remove snap ring pliers. 4.
Verify snap ring is seated in groove. 5.
NOTES
The 3.74:1 GR configuration does NOT use a pump side spacer.
The notch in the spacer faces the pump gear.
E. For all except 3.74:1 GR pumps, install pump side pump gear spacer per
note/march mark.
F. Install pump gear key.
Partially fill pump shaft keyway with gear oil. 1.
Install key in pump shaft keyway (gear oil holds key in place). 2.