Voltage checks -15 – JLG M400 ANSI Service Manual User Manual

Page 57

Advertising
background image

SECTION 3 - CHASSIS & TURNTABLE

3121125

– JLG Lift –

3-15

S

h

o

u

ld

r

e

ad

0-

7 V

o

lt

s

. A

n

yt

hi

ng

o

v

e

r

7

v

o

lt

s

s

h

o

u

ld

f

la

s

h

E

rr

o

r

C

o

d

e

7-

7,

O

p

en P

u

m

p

C

ir

c

u

it

. I

f

th

e

v

o

lt

a

g

e

i

s

h

ig

h

,

c

h

e

c

k

f

o

r

c

o

rr

o

s

io

n,

a d

ir

ty p

u

m

p

m

o

to

r,

o

r

b

a

d

b

ru

s

h

e

s

.

T

h

e d

ri

ve s

y

s

tem

s

h

o

u

ld

s

h

o

w

48 vo

lt

s

w

it

h

the m

a

in

c

o

nt

ac

to

r c

lo

s

ed

and

35 v

o

lt

s

w

it

h

the m

a

in

c

o

nt

ac

to

r o

p

en.

T

h

es

e vo

lt

ag

e c

h

ec

k

s

s

h

o

u

ld

b

e

p

e

rf

o

rm

e

d

w

ith

th

e

m

a

c

h

in

e

p

o

w

e

re

d

u

p

a

n

d

th

e

m

a

in

co

n

ta

c

to

r o

p

e

n

.

Fi

gu

re

3

-6.

V

o

lta

g

e

Ch

ec

ks

Advertising
This manual is related to the following products: