HALE AP, Technical Manual

Page: 117 / 177

105
NOTE
ONLY use a screwdriver turned by hand to remove the pin. Do NOT use an electric,
battery, or pneumatic type driver to tighten the screw.
a) Hand start screw in pin.
b) Using screwdriver (turn CW), screw #2 screw into pin until screw bottoms out in
blind hole.
c) Using care NOT to strip threads, tighten screw to force pin out of blind hole.
Pin Installation
A. Clean and inspect pump area around pin bore. (See paragraph 5.7.7, Clean-
ing And Inspection Guidelines.)
B. Coat inside of pump head pin bore and outside of pin with anti seize com-
pound. (See Table 38.)
C. Using needle nose plyers, align new pin with pin bore in pump head.
D. Using shop hammer, gently tap pin into pump head pin bore until
pin height is 3/32-in (± 25/1000-in). See Figure 35 (on page 95).
The bench procedure is complete, return to the applicable R&R procedure.
5.8.5
Level 2 Procedures
Selected gearbox components (see Figure 24.) can be removed and replaced after removing the
pump and gearbox assembly from the apparatus. Discharge and suction port hoses/plumbing
will require removal before the pump removal procedure can be performed. Follow OEM instruc-
tions/procedures to remove and install discharge and/or suction port hoses/plumbing when re-
quired for pump component access. The following gearbox components can be removed and re-
placed after removing the pump and gearbox assembly from the apparatus.
•
Bearings (See section 5.9.)
•
Snap Rings (associated with bearing replacement) (See section 5.9.2.)
5.8.6 Level 3 Procedures
The gearbox gear set components (see Figure 24.) can be removed and replaced after removing
the pump and gearbox assembly from the apparatus. Discharge and suction port hos-
es/plumbing will require removal before the pump removal procedure can be performed. Follow
OEM instructions/procedures to remove and install discharge and/or suction port hos-
es/plumbing when required for pump component access. The gearbox gears can be removed
and replaced after removing the pump and gearbox assembly from the apparatus.
•
Drive Gear (See paragraph 5.9.2.1.4 on page 129.)
•
Pump (Mating/Driven) Gear (See paragraph 5.9.2.2.3 on page 141.)
•
Shaft Keys (associated with gear replacement) (See section 5.9 on page 118.)