Section VI. RADIO INTERFERENCE SUPPRESSION
4-12. General Methods Used to Attain Proper
4 - 13 . Replacement of Suppression Com-
Suppression
ponents
Essentially, suppression is attained by providing
The engine of the tank and pump unit is provided
a low resistance path to ground for stray currents.
with a shielded spark plug cable and ignition
For general information applicable to radio sup-
ground cable. For replacement of these com-
pression. refer to TM 11-483.
ponents, refer to paragraph 4-20.
Section VII. PUMP AND ENGINE UNIT
4-14. General
The pump and engine unit is mounted on an
aluminum frame that will slide out. from the
pumping assembly. This mounting arrangement
provides easy access to the pump and engine for
maintenance and servicing purposes.
An in-
termediate coupling connects the pump to the
engine. Removal of either pump or engine requires
disassembly
o f t h e p u mp
and
intermediate
coupling; therefore, procedures for removal, in-
stallation,
disassembly,
and
reassembly
of
the
pump assembly and engine assembly is covered in
Chapter 6.
4-15. Pump and Engine Unit
a. Removal.
(1) Disconnect suction hose and discharge
hose from pump.
(2) Refer to figure 4-5 and remove muffler and
pump and engine unit.
4-14
