Dodge RAM TRUCK 1500 1995 Service Manual page 1064

BR
BUMPERS AND FRAME 1 3 - 1 1
SNOW PLOW DIAGNOSIS
Condition
Possible Cmum
C©rr©€fl®n
PLOW
B L A D I
WILL NOT
LIFT
Oft
LIFTS SLOWLY
PLOW
BLADE
WILL MOT
ANGLE R I G H T -
M O T O R IS O P E R A T I O N A L
P L O W BLADE WILL N O T ANGLE LEFT-
M O T O R IS O P E R A T I O N A L
PLOW BLAD1 WILL NOT
A N G L E -
M O T O R IS O P E R A T I O N A L
PLOW
WILL N O T R E M A I N I N
ANGLED P O S I T I O N
M O T O R DOES N O T OPERATE
P L O W BLADE WILL N O T LOWER
P L O W BLADE CREEPS D O W N W A R D
PLOW HAD! WILL NOT
CLEAN SURFACE
BLADE WILL N O T FOLLOW
SURFACE D E V I A T I O N S
S N O W STICKS T O FACE
OF BLADE
0) low hydraulic fluid level.
b) Discharged battery.
c) Leaking or open "A" cartridge.
d) No voltage at "B" coil.
e) Inoperative "B" coil.
1) Malfunctioning motor,
g) Malfunctioning pump.
a) Improper coupler engagement.
b) Mechanical bind or interference.
c) Malfunctioning coupler.
d) No voltage at "C" coil.
e) Inoperative "C" coil.
f) Inoperative "C" cartridge.
a) Improper coupler engagement.
b) Mechanical bind or interference.
c) Malfunctioning coupler.
d) Leaking or open crossover relief
valve.
a) Improper coupler engagement,
'b) Mechanical bind or interference.
c) Leaking or open crossover relief
valve.
a) Air in cylinders and hoses.
b) Leaking "C" cartridge O-ring seals.
c) Leaking or open pilot check valve.
d) Leaking crossover relief valve.
e) Crossover relief valve opening
pressure too low.
a) Discharged or defective battery.
b) Loose or corroded electrical
connections.
c) Inoperative solenoid switch.
d) Malfunctioning control switch.
e) Malfunctioning motor.
a) No voltage at "A" coil.
b) "A" cartridge jammed in closed
position.
c) Inoperative "A" coil.
a) Leaking "A" cartridge.
b) Leaking "A" cartridge O-ring seal.
c) Leaking B-Check Valve.
[d) Leaking Ram Packing Cup.
e) Leaking O-ring seal at bottom of
cylinder.
a) Runner height incorrect.
b) Cutting edge unevenly worn.
a) Not in "Lower Float Position".
b) Insufficient slack in lift chain.
(a) Sno-Flo paint worn off.
(a) Add fluid to proper level.
(b) Recharge battery.
(c) Clean or replace "A" cartridge.
(d) Locate malfunction and repair.
(e) Replace "B" coil.
(!) Repair or replace motor,
(g) Replace pump.
(a) Engage coupler properly.
(b) Eliminate mechanical bind or
interference.
(c) Repair or replace coupler.
(d) Locate malfunction and repair.
(e) Replace "C" coil.
(!) Clean or replace "C" cartridge.
(a) Engage coupler properly.
(b) Eliminate mechanical bind or
interference.
(c) Repair or replace coupler.
(d) Clean or replace crossover relief
valve.
(a) Engage coupler properly.
(b) Eliminate mechanical bind or
interference.
(c) Clean or replace crossover relief
valve.
(a) Purge cylinders and hoses.
(b) Replace O-ring seals.
(c) Clean or replace pilot check valve.
(d) Clean or replace crossover relief
valve.
(e) Replace crossover relief valve.
(a) Recharge or replace battery.
(b) Clean and tighten electrical
connections.
(c) Replace solenoid switch.
(d) Replace control switch.
(e) Repair or replace motor.
(a) Locate malfunction and repair.
(b) Clean or replace "A" cartridge.
(c) Replace "A" coil.
(a) Clean or replace "A" cartridge.
(b) Replace O-ring seal.
(c) Clean or replace Pump Check Valve.
(d) Replace Ram Packing Cup.
(e) Replace O-ring seal.
(a)
Adjust
runners.
(b) Replace.
(a) Position switch at "Lower Float"
(b) Adjust lift chain.
(a) Refinish.
J9001-3