HALE AP, Technical Manual

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103
Place pump head on stable work surface pump side down (oil seal facing 1.
up).
Using seal removal tool, remove pump shaft oil seal from pump head. 2.
a) Place one end of removal tool in seal bore.
b) Pry pump shaft oil seal out of pump head.
B. Using Loctite Clean-Up Solvent™ (or equivalent), remove residual Loc-
tite 680™ from pump head bore.
Pump Shaft Oil Seal Installation
A. Install pump shaft oil seal.
Apply Loctite 680™ (or equivalent) to outer edge of new pump shaft oil 1.
seal.
Place new pump shaft oil seal squarely and evenly into pump head with 2.
smooth part of seal body facing down (away).
Using a seal driver (see note), drive pump shaft oil seal flush into pump 3.
head.
NOTES
Tap seal driver with non-marring hammer if required.
For an AP/CBP/MBP use a 65 mm (or larger) seal driver.
For a RSD use an 81 mm (up to 88 mm) seal driver.
B. Perform Installation portion of Pump Head R&R. (For an AP/CBP/MBP pump
use paragraph 5.8.4.11 and for a RSD use paragraph 5.8.4.12.)
5.8.4.13.2 RSD Mechanical Seal Anti Rotation Pin Bench Procedure
The RSD mechanical seal anti rotation pin prevents the mechanical seal seat from sinning inside
the pump head bore. ONLY replace the pin if it is damaged to the point it may allow the seat to
spin in the bore. The pin is made of 420 stainless steel and installs in a blind hole located on the
pump side of the pump head.
Pin removal requires the plentiful use of penetrating oil prior to attempting to remove the pin.
NOTE
Spray penetrating oil on the pin, then strike the pump head lightly with a hammer.
Tapping the pump head will allow the penetrating oil to penetrate the pin bore more
thoroughly. Let pump head sit and soak for a minimum of 5 minutes for a lightly cor-
roded pin or up to several hours for a more corroded pin.
Two methods of pin removal are provided: the first method uses a hammer, punch, and grease to
drive the pin out of the blind hole while the second uses a drill, tap and #2 screw to push the pin
out of the blind hole. The first method is the fastest way to remove the pin, however is does NOT
always work. The second is the more dependable method of removing the pin.
Refer to Table 38 for a list of tools and/or consumables required for this procedure.