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Chapter 11 Troubleshooting
_1._T_ro_u_b_J_es_h_o_o_ti_ng _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
3,4JH3(B)(C)E
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Chart
10
TROUBLE AND TROUBLESHOOTING
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I
MISCELLANEOUS TROUBLE
~
( I -1 }
Tighten nuts.
( a
-1)
Tighten adjustment valve.
(lll-1)Clean.
:::,
( I -2)
Tighten nuts and insert pins.
( a
-2) Check and repair.
( 111-2) Add cooling water.
"'
( Ill -3} Disassemble and <epair or replace.
"'
Q)
( I -3)
Remove adjustment liner and adjust aperture,
( a
-3) Clean.
( 111-4) Tighten adjustment valve.
E
( 111-5) Tighten satety valve.
i
or replace.
( a
-4)
Repair.
( I -4)
Check teeth, shall, and pushrod of gear for
( 111-6) Change lube oil.
::,
( Ill -7) Add lube Oil.
0
wear.Replace
whewe
necessary.
( Ill -8) Replace
u
.....
......
.....
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I
I
Abnormal noise
I
I
(I)
Low fuel oil pressure
I
I
ID) Low lube
011
pressure
I
( 1 J Loose tlywtrieel 1ris1aHm ent boll
\
(I) Loose pressure adJ ustment
\
( 1) Clogged lube
01!
!!lier
_\\ _ (51
Q,I
leakage lrom pump safety valve
\
_\
(2) Lube
01!
temperah.He
1s
100 high
(2) Loose crank pin bearing bolt
[21
Damaged supply pump
\
t6) Inadequate viscosity o! lube oil
\
\
{3) Troubia w1ih lube 011 pump
_l
( 7) lnsuthciont amount ot
lube Oll
(3) Worn crank pm molal
\
ti'
131
Clogged lillor
_\
\
\
(4) Loast= pr-us~•Jro ad1ustmc-nt vah,o
Cl)
16)
Faully pressure
gauge
5j
(4)
Faulty gea, meshinQ,
\
l•I Leal<y pipe
\
\
"O
\
Ii.
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MISCELLANEOUS
I
C:
Cll
I
I
I
r
I
TROUBLE
Cl)
( 1 J
Coalmg
water temperature
( 1) 111suHicient amount o! cooling waler
(, l Ooggmg
1n
cooh.ng water systom
<fl
:::J
has
risen
I
I
(5/ Air
m
coofo1g waler
I
(5)Eng-m-e outlet not cons.Uicled.
Cll
- - -
{2) Trouble
with cooling water
pump
0
(2)
Ovonoad~rig
(2) Tioublo
w11h
cooling
w,1\or pump
l
(6)
0vertoad,ng
(6) Water leakage
lrom
caol1n9
water
101n[s
(3/
FauI1,·
lube ml tampera<ure /
(31
Amoun.t
or
waier returning Is too great
- - -
(3) Coolmg wator hf! 1s loo great
I
(4)
Clogging in cooling
waler
system
/
(7) Faulty suction and exhausl valves
adJus.tmenL valve
I
(4} Air 1n coo!1ng wate,
I
Countarms-.asure
I
I
(Ill
lube oil temperature is too high
I
I
(V) Cooling water temperature is too high
I
I\,!) Cooling water pressure is too low
J
......
~
( !V
-1 ) Adjust the amount of returning water or check
:::,
the cooling water pump and lap valves.
"'
"'
{ IV-2)
Reduce load.
Q)
§
( IV-3) Check and adjust.
Q)
c
: ,
0
u
Printed in Japan
HINSHI-H8009
......
,....
( V
-1) Open closed parts.
( Vl-1) Clean.
{ V-2)
Check pump and repair.
(Vl-2) Check pump and repair.
{ V -3)
Adjust amount of returning water.
( VI
-3) Lessa n lift or replace pump.
{ V
-4) Clean.
(Vl-4) Check suction opening.
( VI
-5)
Elim, na1e causes for high cooling water tempera1u re
( V -5)
Check suction opening.
and constrict
( VI -6) C'hEICk and repa Ir.
( V -6)
Reduce load
11-5
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Troubleshooting
