CHAPTER 14: MAINTENANCE OF MBA3 GAS/PARTICULATE FILTER UNIT
TM 9-2350-256-20
14-1 REPLACE/REPAIR M8A3 FILTER UNIT SYSTEM-Continued
b.
DISASSEMBLY
NOTE
Step 1 applies only to driver's hose.
1
Separate hoses (1 and 2) by removing two clamps
(3) and tube (4).
2
Disassemble hose assembly by removing coupling
half (5) and clamp (6) from each end of hose (7).
3
Disassemble electrical cable assemblies and wire
lead (see Chapter 6, Section VII).
c.
ASSEMBLY
1
Assemble hose assembly by installing coupling half
(5) and clamp (6) to each end of hose (7).
NOTE
Step 2 applies only to driver's hose.
2
Connect hoses (1 and 2) to each other with two
clamps (3) and tube (4).
3
Assemble electrical cable assemblies and wire lead
(see Chapter 6, Section VII).
d.
INSTALLATION
Left Side
1
Install frame assembly (45) with three screws (47)
and three new lockwashers (48).
2
Install M2A2 air purifier (27) in frame assembly (45)
and close catch assembly (46).
3
Install two clamps (37) and clamp (42) each with
screw (43) and new lockwasher (44).
4
Connect and install AFT passenger's hose (41) on
manifold of M2A2 air purifier (27) and clamp (42).
5
Connect and install driver's hose (35) and FWD
passenger's hose (36) on manifold of M2A2 air
purifier (27) and clamps (37). Secure hoses to
vehicle with 12 clamps (38). Each pair of clamps is
held by screw (39) and new lockwasher (40).
6
Install circuit breaker and switch assembly (26) with
two screws (33) and two new lockwashers (34).
14-6
