Bil-Jax Wheelchair XLB-4232 DC Manual De Usuario

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4 — MAINTENANCE 
 
4-7 
Hydraulic Cylinder Repair 
Cylinder Removal and Installation 
1.  Lower boom onto travel support, turn off the main power switch, and remove the 
PLATFORM/OFF/GROUND key. 
2.  Support lift cylinder with wood shoring between cylinder and boom. Secure both 
ends of lower boom lift cylinder with lifting straps and overhead lifting device. 
Support upper boom lift cylinder with padded lift truck forks. 
3.  Place absorbent drip cloths below cylinder ports. Remove hydraulic hoses from 
lift cylinder. Elevate hoses above hydraulic reservoir and protect exposed hose 
fittings and cylinder ports with protective caps. 
4.  Refer to Figure 4-5. Remove screws (1), lock washers (2), and locking plate (3) 
from elevated end of cylinder (6).  
3 2
1
4
5
5
6
5
5
4
3 2
1
 
Figure 4-5.   Hydraulic Cylinder Removal 
 
1.  Screws 
4.  Pivot Pin 
 
2.  Lock Washers 
5.  Spacer 
 
3.  Locking Plate 
6.  Cylinder