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ENGINE FUEL SYSTEM 6M-4
Figure 7—A ir Cleaner Installatio n (Typical fo r Diesel)
OIL BATH (TYPES SHOWN IN FIGS. 7 & 8)
IMPORTANT: Keep a ll fitting s, connections,
tubing, elbows, and in let cap, a s shown in fig u re 7,
tightened se c u re ly . A lso, check inlet cap fo r fo r
eign m a te ria l and clean a s n ec essary .
1. Loosen thum b screw s which attach r e s e r
v o ir to clean er body (fig. 8), ro ta te slightly to left
and low er re s e rv o ir.
2. D rain oil fro m re s e r v o ir and clean in clea n
ing fluid to rem ove a ll accum ulated deposits.
NOTE: C lean er has a rem ovable p re - f ilte r
th a t p re v en ts d irt and fib e rs from en tering main
f ilte r.
3. To rem ove p r e - f ilte r , p r e s s upw ard and
tu rn to left un til unlocking tab s line up with v e r t
ical s lo ts, then low er elem ent. Slush elem ent up
Figure 8 —O il Bath A ir Cleaner
and down in cleaning fluid until a ll oil and d irt de
p o sits a r e rem oved. DRY ELEMENT THOROUGH
LY OF CLEANING FLUID BEFORE INSTALLING.
R ein stall elem ent in clea n er body.
4. F ill a i r cle a n e r cup to indicated lev el with
S.A.E. 20 oil in su m m er and S.A .E. 10 o r lig h te r
oil in w inter. R efer to A ir C leaner In stru ctio n label.
NOTE: Inspect a ir clea n er frequently. Empty
cup, clean out and re fill when oil becom es thick
with suspended dust o r when
%
of oil has been d is
p laced with sedim ent. Under se v e re conditions
s e rv ic e daily o r m ore often if n ec e ssa ry .
DRY TYPE AIR CLEANER
The stan d ard a i r clean er u sed on som e vehicles
has a dry type p a p e r elem ent (fig. 9 ). F re s h a ir
e n te rs the a i r c le a n e r at the top and a ll foreign
m a tte r, dust, and d irt is p rev ented fro m entering
the engine by the filte r elem ent. The la rg e r p a r
tic le s w ill drop to the bottom of th e a i r clean er
and w ill be expelled through a vacuator valve. T his
is a continuous and autom atic p ro c e s s.
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL
Summary of Contents for 70 Series 1970
Page 1: ...CHEVROLET HEAVY DUTY TRUCK SERVICE MANUAL...
Page 9: ...LUBRICATION 0 2 CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL...
Page 11: ...LUBRICATION 0 4 CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL...
Page 13: ...LUBRICATION 0 6 CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL...
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