Air Cleaners; Fuel Filters - GMC 4000 Series Service Manual

Pasi' e w _______________ G M C S E R V I C E M A N U A L
ENGINE FUEL SYSTEM— DIESEL
1 Bracket A ssem bly
2 Cab Floor
3 Accelerator Pedal Rod
4 Accelerator Pedal
5 Relay Lever
Figure 2 — Steel Tilt Cab Accelerator Linkage for Toro-Flow Diesel ITypicalI
WARNING: BE SURE ALL COMBUSTIBLE CLEANING FLUID (GASOLINE,
SOLVENT, KEROSENE, ETC.) IS REMOVED FROM AIR CLEANER AT TIME OF
CLEANING. UNCONTROLLED FUEL ENTERING THE COMBUSTION CHAMBER OF
A DIESEL ENGINE CAN CAUSE THE ENGINE TO "RUN-AWAY" AND POSSIBLY
DESTROY ITSELF AND/OR CAUSE INJURY TO PERSONNEL.____________________
All clamps and connections between air clean­
er and intake manifold must be kept tight to pre­
vent unfiltered air from entering the engine.
If air cleaner becom es clogged, restricted air
flow will cause increased fuel consumption, power
lo ss, and possible engine damage. If air cleaner is
Fuel filter elem ents on Toro-Flow engines
should be replaced at intervals specified later
under each type of filter. Element replacement
intervals are dependent upon cleanliness of the
fuel and storage facilities.
IMPORTANT: Neglect of filters can lead to
eventual damage to certain fuel components.
PRIMARY FILTER
Primary filter is disposable element type and
S L ID IN G R O D

AIR CLEANERS

FUEL FILTERS

6 Clevis
7 Relay Lever to Idler Lever Rod
8 Sleeve
9 Lever
10 Bracket
11 Rod
12 Return Spring
13 Radiator Support
14 Upper Lever, Shaft, and Bracket
A ssem bly
15 Clevis
16 Engine Stop Knob
17 Rod Assembly
18 Injector Pump Operating Lever
operated in a dust storm area, it should be cleaned
immediately after such storm s occur.
Air cleaner must be serviced at regular in­
tervals as specified in LUBRICATION (SEC. 0) in
this manual or more frequently for extensive
operation under severe conditions.
is bracket-mounted on engine as typically illu s­
trated in figure 3.
At regular intervals, depending upon operating
experience, drain a small amount of fuel from
filter and observe for presence of water or other
foreign matter. Element should be replaced at 5,000
to 10,000 mile intervals.
ELEMENT REPLACEMENT
1. Remove drain plug or open drain cock to
drain the filter.
IDLE P O SIT IO N
TO FULL THROTTLE
T -5 5 6 8