HALE AP, Technical Manual

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d) Release and remove snap ring pliers.
e) Verify retaining ring is seated in groove.
NOTES
The notch in the spacer faces the pump gear.
The 3.74:1 GR configuration spacer does NOT have a notch.
For ONLY 1.90, 1.64, 1.31 and 1.14:1 gear ratio pumps, install pump 2.
gear.
a)
Place pump gear inside gearbox.
b) Align pump gear and drive gear teeth.
Place gearbox on its side. (This position allows access to both sides of the 3.
gearbox.)
Install pump shaft assembly as follows. 4.
a) Pass drive side of pump shaft thru pump side bearing bore and into gearbox.
b) For ONLY 1.90, 1.64, 1.31 and 1.14:1 gear ratio pumps, install pump gear on
pump shaft.
i. Align pump shaft and pump gear key with pump gear bore and keyway. Then
push pump shaft thru pump gear.
ii. Verify alignment of pump gear and drive gear teeth.
Seat pump side bearing in gearbox pump side bearing bore. 5.
a) Using gear oil, lubricate pump side bearing outer race and gearbox housing bore.
b) Align bearing outer race squarely in gearbox housing bore.
c) Push pump side bearing (already installed on pump shaft) into gearbox housing
bore until seated in housing.
NOTES
If required, use a non-marring hammer to tap bearing into place.
Do NOT strike pump shaft threads.)
C. For ONLY 1.90, 1.64, 1.31 and 1.14:1 gear ratio pumps, install drive side
pump gear spacer.
D. Install drive side pump shaft bearing on pump shaft and into gearbox hous-
ing.
Turn gearbox (pump side down), place pump shaft on bolster plate, and 1.
using cribbing level and support gearbox housing.
Using gear oil, lubricate both drive side pump shaft bearing races and 2.
gearbox housing bore.
Place new drive side pump shaft bearing on input shaft and into gearbox 3.
bore ONLY far enough to verify alignment of shaft in bearing and bearing
in gearbox. Align bearing squarely in gearbox housing bore.
Using hydraulic press (without pusher tube), press drive side bearing onto 4.
pump shaft and into gearbox until nearly flush with gearbox housing.