Airflex
®
DBB 8110 Brake Assembly
E-CLCL-TT001-E December 2012
22
so that the new springs may be installed similarly for
proper brake functioning.
4.5.2.10 Inspect the springs (22) (52) for distortion and check
the free height. If the free height of any spring is less
than the value shown on Table 7, the entire set of
springs must be replaced.
4.5.2.11 Install the springs (22) (52) in a symmetrical pattern
on the pressure plate (16) distributing them as
evenly as possible. Locate the springs over bosses
or in the spring pockets in the pressure plate (14). If
applicable, position the spring retainers (53) on top of
the springs to hold the springs into position.
Note
If unknown, contact the factory for specific
information showing locations of springs and spring
retainers for your specific brake configuration.
Caution
No spring retainer (53) should cross over the ribs in
the spring housing (16).
4.5.2.12 Aligning match-marks, carefully lower the spring
housing and cylinder subassembly (16) (19) onto the
springs (22) (52) and spring retainers (53), making
sure the springs engage the bosses in the spring
housing if applicable.
4.5.2.13 Lubricate the ends of the studs (6) with a 30 weight
oil or an anti-seize compound, and assemble the
flat washers (1 7) and locknuts (18) onto the studs.
Tighten the nuts in an even crosswise pattern –ONE
TURN AT A TIME- to evenly compress the springs.
Tighten the nuts to the final tightening torque listed
in Table 4.
Caution
The locknuts (18) must be tightened gradually to
prevent damage to the brake components.
4.5.2.14 Position the spacer tubes (2 7) in-line with the bolt
holes of the cylinder and install the hex head screws
(20) and lock washers (17). Tighten the screws in a
crosswise pattern –ONE TURN AT A TIME- until the
spacer tubes are clamped between the cylinder (19)
and the pressure plate (16).
4.5.2.15 Remove the hex head screws (20) one at a time.
Clean and prepare the screw threads and apply
Loctite Locquic Primer “T” to the screw threads.
Apply Loctite #262 to the screw threads and reinstall
the hex head screw. Immediately torque the hex
head screw to the value shown on Table 4.
Note
When removing and reinstalling the hex head screw
(20), spray the cleaned bolt threads with Locquic
Primer “T”. Let parts dry and then apply Loctite #262
on the same surface. Install the hex head screw and
immediately torque as stated in 4.5.2.15.
Warning
Loctite may cure prior to properly tightening the hex
head screw (20) if not tightened to the proper torque
value immediately after installation.
Caution
Loctite #262 must be shaken prior to application.
Caution
Loctite #262 may irritate sensitive skin. Refer to the
product label for safety precautions.
5.0
Ordering Information/Technical Assistance
5.1
Equipment Reference
5.1.1
In any correspondence regarding Danfoss Airflex
Equipment, refer to the information on the product
nameplate and call or write:
Loctite and Loc-Quic are registered trademarks of Henkel Corporation.
Never-Seez is a registered trademark of Snap-On Tool Corporation.
Castrol Molub-Alloy 936SF Heavy is a registered trademark of Castrol Limited.
Molykote is a registered trademark of Dow Corning Corp.
DBBS Brakes
Danfoss
Power Solutions (US) Company
2800 East 13th Street
Ames, IA 50010, USA
Phone: +1 515 239 6000
Summary of Contents for Airflex DBBS
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