Chevrolet Light Duty Truck 1973 Service Manual page 457

Fig. K17—Accelerator Pedal and Controls, C, K P10
thru 30 Series
General Description.......................................................... 6M-33
Maintenance and Service Procedures........................ 6M-34
Air cleaners on all models operate primarily to remove
dust and dirt from air before it is drawn into the
carburetor and engine. The air cleaner also helps to
reduce engine noist and quenches any flame that my be
caused by engine backfiring through the carburetors.
Two types or air cleaners are used on trucks. They are
the oil wetted paper element air cleaner, and the poly­
wrap element air cleaner.
The oil wetted paper element air cleaner (fig. 1A)
CAUTION
Care must be
taken during installation of
Retainer onto Accelerator
Cable and the proper
attention must be made to
press the Retainer into hole
on Rod to assure the Cable
is not "KINKED" or
"DAMAGED" in any way.
VIEW A >
FWD
AIR CLEANERS
INDEX
GENERAL DESCRIPTION
Fig. K18—Accelerator Controls (Manual Throttle) C-K
Element Replacement ....................................................6M-36
Part Replacement.............................................................6M-37
consists of an accordian pleated oiled paper filter
supported by wire mesh with a plastisol seal on both top
and bottom
The polywrap element air cleaner consists of a paper
element in addition to a polyurethane band.
Air temperature is automatically controlled by a
thermostatic valve which selects warmed air from the
heat stove and /o r cooler air from the engine
compartment or from outside the vehicle.
E N G IN E FUEL 6 M - 3 3
LIGHT DUTY TRUCK SERVICE MANUAL