Section 3 - Superchamber Replacement - Neway LSZ13 Repair Manual

SuperChamber Replacement
9. Use a small pry bar to pry the clevis downward to
overcome the return spring force Install the new clevis
pin assembly, 5/16" bolt and lock washer. Torque
according to specifications in Table 1.
10. Use a small pry bar to pry the clevis downward to
overcome the chamber return spring force. This will allow
the installation of the new lower 3/4" bolt, washers and
locknut. Make sure the lower lift bracket alignment legs
contact the front frame bracket flange (Figure 5). Torque
all fasteners according to specifications in Table 1.
11. Repeat steps 3 through 10 on the opposite side.
12. Remove the wheel chocks from the drive tires.
3. SuperChamber Replacement
Required Tools:
1-1/8" Open End Wrench

1-1/8" Socket

3/4" Open End Wrench

15/16" Wrench
 
Torque Wrench Capable of 250 ft.-lbs.

NOTE: It is recommended that the lift mechanism is
replaced at the same time as the SuperChamber.
1. With the vehicle unloaded and/or trailer disconnected on
a level surface, set parking brakes and chock drive tires
to prevent the vehicle from rolling forward or backward.
Failure to properly secure the vehicle prior
to commencing work could create a crush
hazard which, if not avoided, could result
in death or serious injury.
2. Put suspension in the in-service position. Exhaust air
pressure in the suspension air springs. Remove the air
pressure using the air pressure regulator or control valve.
Failure to exhaust the suspension air
and chock the tires prior to beginning
maintenance could allow vehicle
movement which, if not avoided, could
result in death or serious injury.
3. Using a 3/8" wrench, depress the release button on the
SuperChamber push to connect fittings to allow the
removal of the 6" jumper tube. Retain the jumper tube.
4. Using a 3/8" wrench, depress the release button on
the SuperChamber push to connect fitting to allow the
removal of the 3/8" SuperChamber air supply tubing
(Figure 6) .
5. Using a 3/4" open end wrench, remove and retain both
fittings from the installed SuperChamber.
6. Using a 1/2" wrench or socket remove the upper 5/16"
bolt and lock washer from the SuperChamber clevis. Use
a small pry bar to pry the clevis downward to overcome
the return spring force. This will allow the removal of the
clevis pin assembly (Figure 7) .
7. Using a 15/16" wrench, remove and discard both 5/8"
nuts and lock washers retaining the SuperChamber to the
chamber bracket.
6 XL-PS20059RM-en-US Rev A · 2017-02-27 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
Small Pry Bar
 
1/2" Socket or Wrench

3/8" Open End Wrench

Figure 5
Figure 6
AIR SUPPLY TUBING
Figure 7
TAPPED, OUTSIDE CLEVIS EAR
CLEVIS PIN ASSEMBLY
CLEVIS PIN ASSEMBLY
RETAINING 5/16-18 x 3/4"
BOLT AND LOCK WASHER
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
UPPER PIVOT LOCKNUT
KEEP ALIGNMENT LEGS
TIGHT TO THE FRONT OF
THE FRAME BRACKET
LOWER 3/4" LIFT
BRACKET LOCKNUT