TM-5-3805-254-14-P-2
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)
JUNE 1980
TM-5-3805-254-14-P-2 - Page 181 of 894
BRAKES-AIR
TRUCK SERVICE MANUAL
Prior to installing the new replacement cartridge
in the air dryer, the following steps must be follows:
1.
Carefully remove the lock nut from the cartridge bolt
using an 11/16" open end or box wrench.
IMPORTANT:
Care must be taken not to allow
the cartridge bolt to slip out of the cartridge when
the lock nut is removed.
Loss of desiccant
material will occur should this happen.
2.
Install the previously rebuilt desiccant sealing plate
on the cartridge bolt so that the ball check retaining
clip remains visible (see Fig.
7).
3.
While holding the cartridge bolt, reinstall the lock nut
on the cartridge bolt.
IMPORTANT:
Before tightening the lock nut
down
make
certain
that
the
shoulder
(unthreaded portion) of the cartridge bolt extends
slightly above the perforated desiccant plate (see
Fig.
14).
4.
By tightening the lock nut, draw the desiccant sealing
plate down into the desiccant cartridge until the
shoulder of the desiccant sealing plate is against the
cartridge shell.
REBUILDING DESICCANT CARTRIDGE
IMPORTANT:
Only the current revision
desiccant cartridges (see Fig. 9) can be rebuilt.
Currently revised desiccant cartridges are
identified positively by the Bendix trademark BW
stamped in the hex head of the cartridge bolt
and by the letters and number AD-2 displayed on
the bottom face of the oil filter.
If an old revision
desiccant cartridge is removed from the air
dryer, it should be replaced with a complete
currently revised desiccant cartridge.
Disassembly of Desiccant Cartridge
1.
Carefully remove the lock nut on top of the desiccant
sealing plate.
(The plate is spring loaded; however, the
spring load is completely relieved when the nut is
removed.)
2.
Remove the desiccant sealing plate and rebuild it as
outlined in "Removing & Rebuilding the Desiccant
Sealing Plate."
3.
Remove and retain the spring, spring seat, bolt and
cartridge shell.
Discard the oil separator filter, the
two perforated plates and desiccant material.
Assembly of Desiccant Cartridge
1.
Insert one of the perforated plates into the cartridge,
felt cloth up, and tap it firmly to the bottom.
Felt
always faces desiccant material (see Fig. 10).
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