casings together with eleven machine
screws (9) and self-locking nuts (4).
(6) Cement new gasket (11) to adapter (10)
with sealing adhesive, Specification MIL-
(8) Slide locking coupling tube (16) through
A-3562.
locking coupling (17) and insert tube in
blower air outlet. Fasten tube with drive
(7) Coat mating surfaces of left-hand blower
screws (18).
casing (8) and right-hand blower casing
(5) with gasket sealing compound. Fasten
Section II. CANISTER GROUP
horizontal. Remove two machine
15. Description and Function
screws (3), lockwashers (4), and
The canister group (fig. 7) is described in TM 3-
damper.
4240-241-12.
(c) Remove two machine screws (3)
16. Maintenance
and lockwashers (4) that hold the
General support maintenance personnel are
dial regulator (5) to air inlet of top
authorized to replace the locking coupling and tube,
manifold (10).
Remove dial
elbow, bottom manifold, intake manifold, inlet manifold
regulator and shaft (6).
assembly and attaching hardware.
(d) Separate handle of dial regulator (5)
by removing machine screw (1),
a. Removal and disassembly.
lockwasher (2), and fiat washer (13).
(1) Remove gasoline engine or electric motor
and blower assembly (para 14a).
b. Cleaning and Inspection.
(2) Removal of intake manifold (15, fig. 7),
(1) Clean all metal parts of the canister group
bottom manifold (11), and top manifold
(fig. 7) with drycleaning solvent. Be sure
(18), is described in TM 34240-241-12.
that dirt or other foreign matter has not
These manifolds are removed for repair in
entered intake manifold (15), bottom
the same way as they are removed for
manifold (11), or top manifold (18).
replacement
of
the
filters
by
Remove old gasket cement from intake
organizational maintenance personnel.
manifold connector (20), locking coupling
tube (3), and elbow (6).
(3) Remove four drive screws (5) that fasten
locking coupling tube (3) to elbow (6).
(2) Inspect elbow, locking coupling, and top,
Remove locking coupling tube and locking
intake, and bottom manifolds for cracks,
coupling (4) from elbow. Remove elbow
nicks, or burrs. These are cast parts and
from top manifold.
require careful inspection, especially
around holes and base of flanges and
(4) Remove four drive screws (19) that fasten
hoses. Replace these parts if cracked.
inlet manifold connector (20) to top
manifold.
Remove inlet manifold
(3) Check to see if slots in locking coupling
connector.
are broken or worn excessively.
(5) Perform the following operations to
(4) Check that markings on face of dial
remove the dial regulator assembly (5, fig.
regulator are readable. Check to see if
square hole for shaft in handle is worn.
(5) Inspect that damper is straight and flat
and there are no burrs on edges that can
(a) Straighten and remove cotter pins
cause it to bind in the air inlet. Replace
(11). Slide carrying handles (12)
shaft if tapped holes for screws holding
from top manifold (10).
damper are stripped.
(b) Loosen wingnut and turn handle of
dial regulator (5) until damper (7) is
AGO 8757A
13
