9. Using a 1/2” combination wrench, remove the locknut (G) that secures the spring hook to the bolt (Figure 7). Save the
locknut.
10. Using two 1/2” combination wrenches, remove the two locknuts (J), four shoulder spacers, and two bolts (H) that secure
the top part of the counter lever to both fifth wheel torsion levers (Figure 7). Save the locknuts, spacers, and bolts.
11. Using a 1/2” combination wrench and a 3/16” Allen wrench, remove the two locknuts (L) and two bolts (K) that secure
the torsion levers to both ends of the fifth wheel shaft (Figure 7). Save the locknuts and bolts.
N
No
otte
e -- Mark the positions of the torsion lever and the fifth wheel shaft relative to each other for reinstallation.
D
A
A
B
B
C
M
E
F
G
H
H
J
J
K
L
F
Fiig
gu
urre
e 7
7 ––
12. Remove and discard the wheel arm assembly.
13. Install the fifth wheel on the new wheel arm assembly.
14. Reverse steps to reinstall.
15. Verify proper operation before you return the product to service.
A
Arrm
m a
asssse
em
mb
bllyy rre
ep
plla
acce
em
me
en
ntt,, ffiifftth
h w
wh
he
ee
ell,, h
hyyd
drra
au
ulliicc b
ba
asse
e
T
To
oo
ollss rre
eq
qu
uiirre
ed
d::
•
(2) 1/2” combination wrench
•
1/2” socket
•
3/16” Allen wrench
•
(2) Bungee cords (or equivalent)
P
Prro
occe
ed
du
urre
e::
1. Raise the litter and the rails to the highest position.
2. Apply the brakes.
3. Lift the base hood.
4. Separate the V
Ve
ellccrro
o® fasteners that secure the base hood to the base.
5. Using bungee cords, support the base hood.
6. Using two 1/2” combination wrenches, remove the locknut (N), nylon shoulder spacer (P), washer (R) and bolt (S) that
secure the connecting rod to the brake pedal shaft (Figure 8). Save the locknut, spacer, washer, and bolt.
EN
16
1900-009-002 Rev AA.6
