Chrysler RAM TRUCK 2500 1994 Service Manual page 924

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BUMPERS AND FRAME 13 - 11
SNOW PLOW DIAGNOSIS
C o n d i t i o n
P o s s i b l e Cows®
C o r r e c t i o n
P L O W B L A D E W I L L H O T LIFT O R
LIFTS S L O W L Y
P L O W B L A D E W I L L N O T A N G L E R I G H T -
M O T O R I S O P E R A T I O N A L
P L O W B L A D E W I L L N O T A N G L E L E F T -
M O T O R I S O P E R A T I O N A L
P L O W B L A D E W I L L N O T A N G L E -
M O T O R I S O P E R A T I O N A L
P L O W W I L L N O T R E M A I N IN
A N G L E D P O S I T I O N
M O T O R D O E S N O T O P E R A T E
P L O W B L A D E W I L L N O T L O W E R
P L O W B L A D E C R E E P S D O W N W A R D
P L O W B L A D E W I L L N O T
C L E A N S U R F A C E
B L A D E W I L L N O T F O L L O W
S U R F A C E D E V I A T I O N S
S N O W STICICS T O F A C E
O F B L A D E
a) Low h y d r a u l i c f l u i d level,
b) Discharged b a t t e r y .
c) L e a k i n g or o p e n " A " c a r t r i d g e .
d) No v o l t a g e a t " B " c o i l .
e) I n o p e r a t i v e " B " c o i l .
f) M a l f u n c t i o n i n g m o t o r .
g) M a l f u n c t i o n i n g p u m p .
a) I m p r o p e r c o u p l e r e n g a g e m e n t .
b) M e c h a n i c a l b i n d o r interference.
c) M a l f u n c t i o n i n g c o u p l e r .
d) No v o l t a g e at "C" c o i l .
e) I n o p e r a t i v e "C" c o i l .
f) I n o p e r a t i v e "C" c a r t r i d g e .
a) I m p r o p e r coupler e n g a g e m e n t .
b) M e c h a n i c a l b i n d o r interference.
c) M a l f u n c t i o n i n g c o u p l e r .
d) L e a k i n g or o p e n crossover relief
v a l v e .
a) I m p r o p e r c o u p l e r e n g a g e m e n t .
b) M e c h a n i c a l b i n d o r interference.
c) L e a k i n g or o p e n crossover relief
v a l v e .
a) A i r in cylinders a n d hoses.
b) L e a k i n g "C" c a r t r i d g e O - r i n g seals.
c) L e a k i n g or o p e n p i l o t check v a l v e .
d) L e a k i n g crossover relief v a l v e .
i) Crossover relief v a l v e o p e n i n g
pressure t o o l o w .
a) Discharged o r defective b a t t e r y .
b) Loose o r c o r r o d e d electrical
connections.
c) I n o p e r a t i v e s o l e n o i d s w i t c h .
d) M a l f u n c t i o n i n g c o n t r o l s w i t c h .
e) M a l f u n c t i o n i n g m o t o r .
a) No v o l t a g e a t " A " c o i l .
b) " A " c a r t r i d g e j a m m e d i n closed
p o s i t i o n .
c) I n o p e r a t i v e " A " c o i l .
a) L e a k i n g " A " c a r t r i d g e .
b) Leaking " A " c a r t r i d g e O - r i n g seal.
c) Leaking B-Check V a l v e .
d) L e a k i n g Ram Packing Cup.
e) Leaking O - r i n g seal a t b o t t o m of
cylinder.
a) Runner h e i g h t incorrect.
b) C u t t i n g e d g e u n e v e n l y w o r n .
a) Not in " L o w e r Float Position".
b) Insufficient slack i n lift c h a i n .
(a) Sno-Flo paint w o r n off.
(a) A d d fluid t o p r o p e r l e v e l .
(b) Recharge b a t t e r y .
(c) Clean o r replace " A " c a r t r i d g e .
(d) Locate m a l f u n c t i o n a n d r e p a i r .
(e) Replace " B " c o i l .
(f) Repair o r replace m o t o r .
(g) Replace p u m p .
(a) Engage coupler p r o p e r l y .
(b) Eliminate mechanical b i n d or
interference.
(c) Repair o r replace coupler.
(d) Locate m a l f u n c t i o n a n d r e p a i r .
(e) Replace "C" coil.
(f) Clean o r replace "C" c a r t r i d g e .
(a) Engage coupler p r o p e r l y .
(b) Eliminate mechanical b i n d o r
interference.
(c) Repair or replace coupler.
(d) Clean or replace crossover relief
v a l v e .
(a) Engage coupler p r o p e r l y .
(b) Eliminate mechanical b i n d o r
interference.
(c) Clean or replace crossover relief
v a l v e .
(a) Purge cylinders a n d hoses.
(b) Replace O - r i n g seals.
(c) Clean or replace p i l o t check v a l v e .
(d) Clean or replace crossover relief
v a l v e .
(e) Replace crossover relief v a l v e .
(a) Recharge or replace b a t t e r y .
(b) Clean a n d t i g h t e n electrical
connections.
(c) Replace s o l e n o i d s w i t c h .
(d) Replace c o n t r o l s w i t c h .
(e) Repair o r replace m o t o r .
(a) Locate m a l f u n c t i o n a n d r e p a i r .
(b) Clean or replace " A " c a r t r i d g e .
(c) Replace " A " c o i l .
(a) Clean or replace " A " c a r t r i d g e .
(b) Replace O - r i n g seal.
(c) Clean or replace Pump Check V a l v e .
(d) Replace Ram Packing Cup.
(e) Replace O - r i n g seal.
(a) A d j u s t runners.
(b) Replace.
(a) Position s w i t c h a t " L o w e r Float"
(b) A d j u s t lift c h a i n .
(a) Refinish.
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