 |
|
 |
Begin OCR Text:
P
He8vy regular knoGkėng. Iouder when engine is subjeGted to loading
Worn mai n bearings and b ig-end bearings, or _ Loc al ize sound by short-c i rcu iti ng sparki ng pl ug s,
worn pistons and g udg eon p i ns. _ one at a ti me.
Low oil pr$ssure
B l ocked oil fi Ite r. ( The eng i ne runs for 8 longe r Repl ace o i l fi Ite r.
t i me than usual after starting before pressu re is
reg iste red.)
Low oi l presu re at lowest idl i ng speed afte r h ard No acti on necessay. The p ressu re is normal Iy.
d rivi ng. q uite low u nd er these cond iti ons.
Fau Ity oi l p ressu re gauge contact, fau Ity pressu re M easu re p ressu re with a check gaug e .
gauge o r gauge l ine.
Repl 8ce fau Ity parts.
_ Fau Ity spring i n rel ief valve o r pu mp worn. R_m ove oi l pump. Check spri ng 8nd pum p.
7 One or mo re beari ngs worn . E_am i ne and rep l ace beari ng she l Is.
H igh deg re e of general wear. Replace or recond ition eng i ne.
_ Larae oėl Gonsumptėon
Hard d riving . N o action necessary. O il consumption can in-
c rease sl ightly when the e ngi ne i s subj ected to
ve y h8rd drivi ng.
teakage at j o i nts. Tighten bo Its and sc rews, repl ace fau Ity or poor
Qual ity gaskets al l rou nd .
Oi l leve l too h igh. _ Do not top up with oi I unti l Ievel is down to l owe r
_
m ark on d ipsti ck.
Wo rn valve gu i des. Reconditi on valve syste m .
Wo rn piston ri ngs. Cf ang e piston ri ngs.
Large _uel _onsumption
H ard d rivi ng on h i ghways o r i ntensive stop-and-go No measu res necessary. Normal i n both these
town d rivi ng .
cases.
_ B loc ked ai r cl eaner. Fit a new pape r e l ement or new ai r c leane r as th e
_ case may be. If an oi l-bath type ai r c l eaner i s
fitted , clean it.
Carbu rettor f Iood i ng. Check 8nd rep l ace float valve if ne c8ssay. Al so
_ c heck pu m p pressu re.
Fau Ity carbu rettor setti ngs, fuel/ai r m ė_tu re too Adj ust settings.
r'i ch.
Fau Ity sparki ng pl ug su ppressors, fau Ity contact
Repl ace sparki ng p lug su ppressors.
breake r points. Adj ust d i stributor.
l nco rrect dwel l ang l e and ign ition ti mi ng setti ng . Adjust dwel l an g le and ig n ition ti m ing setting. A
sfroboscope m ust be used to adj ust the i gn itio n
setti ng.
Engine runs abnormally warm
Not enoug h cool i ng wate r. _ Fi l l u p with cool ing wate r.
Fan belt i nsufFiciently tensioned. _ Adj ust fan be It tensi on. 2 - 41
|
