4.7.3
Apply a light coat of MOLUB-ALLOY 412 ES
grease to the gear teeth and pre fill the
groove in the friction disc splines as shown
on figure 4.
4.7.4
Slide the friction disc assembly onto the
gear, noting the orientation of the heads of
the screws attaching the friction disc to the
ring gear. The screw heads on the
friction discs will face each other.
Improper disc/ring gear orientation
result in damage to the brake with
possible loss of torque.
4.7.5
Slide the reaction plate onto the clamp
tubes. Repeat para. 4.7.3 & 4.7.4.
4.7.6
Place a release spring on to every other the
clamp tubes and slide the pressure plate/cyl-
inder assembly onto the clamp tubes.
4.7.7
Rig the cylinder/spring housing assembly
(Power Pac) onto the studs. Install air line.
4.7.8
With 100 psi air applied to the cylinder (19),
lubricate the threads on the ends of the
studs with 30 wt. oil or anti-seize compound
and install the washers (17) , locknuts (18)
and wear spacers removed in 4.2.4. The un
used wear spacers are "stored" under the
locknuts for use only when replacing friction
discs. See Figure 14. NOTE: The socket
size for locknuts (18) is 1 1/16" x 4" deep.
4.7.9
While Supporting the weight of the cylin-
der/spring housing/pressure plate assembly,
tighten the locknuts, ONE TURN AT A TIME
and in a crosswise pattern, until the spring
housing is seated against the clamp tubes.
Torque the locknuts to the appropriate value.
See Table 3.
The locknuts (18) must be tightened
gradually to prevent damage to the
brake components.
4.8
Corrosion Protection
Do not paint the clamp tubes (12)
or the springs (34) as shown on
Figure 1, as this may hinder the
engagement or disengagement of
the tensioner.
All previously painted areas must be
touched up after maintenance or in-
stallation to provide corrosion
protection.
4.7.1
Clean any contamination, scale, or loose
paint from disturbed surfaces.
4.7.2
Touch up any disturbed area with an organic
zinc primer.
4.7.3
Paint areas with two coats of a high solid two
part, marine grade epoxy paint as per manu-
facturers instructions.
4.7.4
The following is the original paint specifica-
tions and procedures:
Figure 13
Wear
Spacer
DBB 8104 PDF format
12
© Copyright Eaton Corp., 1998. All rights reserved.
(Revised: January, 1998)
