1-30
1900-009-002 REV B
En
gli
sh
5
TH
WHEEL ARM ASSEMBLY (HYDRAULIC BASE)
TOOLS REQUIRED:
•
#2 Phillips Screwdriver
•
(2) 1/2 in. Combination Wrenches
•
1/2 in. Socket
•
3/8 in. Drive Ratchet
•
3/16 in. Allen Wrench
•
(2) Bungee Cords (or equivalent)
PROCEDURE:
1. Raise the litter and the rails to the highest position and apply the brakes.
2. Lift the base hood, separating the Velcro fasteners holding it to the base, and support it using bungee cords.
3. Using two 1/2 in. combination wrenches, remove the locknut (N), nylon shoulder spacer (P), washer (R) and bolt
(S) holding the connecting rod to the brake pedal shaft.
4. Using a 1/2 in. combination wrench and a 1/2 in. socket, remove the four locknuts (B) and four bolts (A) holding
the fifth wheel assembly to the support plates (C, M). Lower the assembly to the ground and remove it by taking
the assembly out underneath the base frame.
5. Using two 1/2 in. combination wrenches, remove the locknut and bolt (D) holding the caster to the wheel arms (E).
Remove the caster.
6. Move the left support plate towards the Brake / Steer pedal (F) to disengage the swing arm and torsion lever
assembly from the support plates.
7. Using a 1/2 in. combination wrench, remove the locknut (G) holding the spring hook to the bolt.
8. Using two 1/2 in. combination wrenches, remove the two locknuts (J), four shoulder spacers and two bolts (H)
holding the top part of the counter lever to both fifth wheel torsion levers.
9. Using a 1/2 in. combination wrench and a 3/16 in. Allen wrench, remove the two locknuts (L) and two bolts (K)
holding the torsion levers to both ends of the fifth wheel shaft.
Note
Mark the positions of the torsion lever and the fifth wheel shaft relative to each other in order to properly reinstall them.
10. Remove the defective wheel arm assembly.
11. Install the fifth wheel on the new wheel arm assembly.
12. Reverse the above steps install the new wheel arm assembly and reinstall the fifth wheel assembly on to the base
frame.
13. Verify proper operation of the fifth wheel and brakes before returning the stretcher to service.
Service
D
A
A
B
B
C
M
E
F
G
H
H
J
J
K
L
S
R
N
P
Figure 6
Содержание CUB FL19F
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