Engine Troubleshooting - Montgomery Ward MX-27129A Owner's Manual And Parts List

Home standby electric generating set
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ENGINE TROUBLESHOOTING
f ^0
S T A R T I N G S Y S T E M
L o o s e or Corroded B a t t e r y C o n n e c t i o n
1 o w or D i s e h a r p e d B a t t e r y
F a u l t y Starter
F a u l t y Start S o l e n o i d
I G N I T I O N S Y S T E M
• • • •
I g n i t i o n T i m i n g Wrong
• •
Wrong Spark P l u g Gap
tf
Worn P o i n t s or Improper Gap Setting
Bad I g n i t i o n C o i l or C o n d e n s e r
F a u l t y Spark P l u g Wires
F U E L S Y S T E M
O u t of F u e l - C h e c k
• • •
L e a n F u e l M i x t u r e - R e a d i u s t
• •
R i c h F u e l M i x t u r e or C h o k e Stuck
*
E n g i n e F l o o d e d
• •
P o o r Q u a l i t y F u e l
-
• •
D i r t y A i r C l e a n e r
D i r t y F u e l F i l t e r
D e f e c t i v e F u e l Pump
I N T E R N A L
E N G I N E
• •
Wrong V a l v e C l e a r a n c e
• •
• •
V a l v e or V a l v e Seal L e a k i n g
• •
#
Wrong B e a r i n g C l e a r a n c e
• •
B l o w n HeaH G a s k e t
C O O L I N G S Y S T E M ( A I R C O O L E D )
1
1
1
1
Poor A i r C i r c u l a t i o n
• •
I
Dirty or O i l y C o o l i n c F i n s
L U B R I C A T I O N S Y S T E M
• •
D e f e c c i v e O t l Gauge
• •
R e l i e f V a l v e Stuck
F a u l t y O i 1 Pump
• •
D i r t y O i l or F i l t e r
• • •
O i l T o o L i g h t or D i l u t e d
~w
• • •
O i l L e v e l L o w
Oi 1 T o o H e a v y
D i r t y C r a n k c a s e B r e a t h e r V a l v e
T H R O T T L E A N D G O V E R N O R
• •
L i n k a g e O u t of A d j u s t m e n t
L i n k a g e Worn or D i s c o n n e c t e d
G o v e r n o r S p r i n g S e n s i t i v i t y T o o Great
L i n k a g e
B i n d i n g
24

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