Buyers P45AC4 - Manual

Quality since 1946
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Rebuild Instructions
P45AC4
Air Compensated Pintle Hook
–continued
INSPECTION
A. Body Inspection
1. Visually inspect the pintle hook Body Casting
(1) for signs of excessive wear, or fatigue such as
deformation or cracks. If any such conditions are
noted, the entire hook should be replaced. (This is
a good time to check the mounting structure, bolts,
and air chamber. Contact vehicle manufacturer for
guidelines.)
Use with replacement part kits: C4200, C4300, & C4400
ITEM NO. PART NO. DESCRIPTION C4200 C4300 C4400
1 - Body Casting - - -
2 C4002 Plunger 1 - 1
3 C6003 Lock - 1 1
4 C6004 Jaw 1 - 1
5 C6005 Shaft 1 - 1
6 C6006 Torsion Spring 1 1 1
7 C6008 Actuator - - 1
8 C6009 Set Screw - 1 1
9 C6010 Roll Pin 1 1 1
10 C6011 Retaining (Snap) Ring 1 - 1
11 C6012 Grooved Pin (Rivet) 1 - 1
B. Pivot Shaft Inspection
1. Verify that the Shaft (5), Snap Ring (10), and
Grooved Pin Rivet (11) are in place and secure. See
Fig. 1 on page 2 for proper location for Snap Ring.
C. Jaw Inspection
1. Place a properly matched lunette eye on the
hook, lower the Jaw (4) and apply operating pres-
sure to the air chamber.
2. With the Lock disengaged, as shown in Fig. 2 on
page 2, lift the Jaw (4) until it stops. The second-
ary interlock feature must prevent the Jaw from
opening more that 1/2” above the horn.
3. If the space exceeds 1/2”, replace the Jaw and
Plunger using replacement Jaw Kit C4200 of the
Rebuild Kit C4400.