Suzuki LT-4WD 1990, Service Manual, Page: 175 / 508

5- 1 7 F U E L A N D L U B R I C A T I O N S Y ST E M
L U B R I C AT I O N S Y S T E M
OI L PRESSURE
•
Su pport the veh icle by jack or b l oc k .
•
Remove t h e r i g h t side rea r whee l . ( Refe r to
page 3-5 . )
•
Con nect a n e l ectric tachomete r t o the engine.
•
Remove the bolt CD o n the oil fi lte r cap.
•
I nsta l l the oil p ressu re ga uge set ® a n d adaptor
® i n the position shown in F ig.
•
Warm up the engi ne as fo l l ows.
S u m mer approx. 1 0 m i n . at 2 000 r/m i n .
Wi nter approx. 2 0 m i n . at 2 000 r/m i n .
•
After the wa r m i n g u p operation, i ncrease the
engine speed to 3 000 r/m i n , a nd read the o i l
p ressu re gau ge.
®
®
09900-26005
NOTE :
E n g i n e tachometer
N ot ava i l a b l e i n U . S. model
E ngine oil m u st b e warmed u p to
60° C
( 1 40° F )
when chec k i n g the o i l p ressu re.
099 1 5-745 1 0 Oi l pressu re gauge
099 1 5-74530
Adapto r
O i l p ressu re specificat i o n
Above 30 k Pa (0.30 kg/cm 2 , 4.3 psi ) ,
B e low 70 k P a ( 0 . 7 0 kg/cm2 , 1 0. 0 psi )
at 3 000 r/m i n . O i l tem p . at 60° C ( 1 40° F )
I f the o i l press u re i s l owe r o r h i gher t h a n the
specifications, severa l cau ses may be considered .
*
Low o i l press u re is usua l ly the resu l t of a oi l
l eakage from the o i l passageway, d a maged oi l
sea l, a defective oi l p u m p or a com b i nation of
these items.
*
H i ght o i l p ressu re is u su a l l y caused by an eng i n e
o i l wh ich is too h eavy a we i g ht, a cl ogged o i l
passage o r f i l te r, i m p roper i nsta l lation of t h e o i l
fi lter or a com b i nation o f these items.