71
Figure 6-3 roller layout
Note: (a) side roller clearance is between 0 and 0.5mm.
(b) Apply grease on main roller surface and mast conntacting surface.
6.5 Repair
6.5.1 Lifting cylinder adjusting
When dismounting or changing lifting cylinder, inner mast or outermast, rear
lifting cylinder needs readjust. (refer to figure 6-5). Adjusting method is followed:
(1) Install piston rod head into inner mast top beam without adjusting shim.
(2) Lift the mast slowly to cylinder max. stroke. Check if two cylinders are
synchronous. If the two cylinders do not stop at the same time, it means the cylinder
stokes are not the same. Adjust the stoke to be the same through asjuting shim (0.2mm
Combined roller main roller
Side roller inner mast outer
mast
Push the side roller with round bar
through the hole
Adjust side roller clearance through
adjusting shim
To Next Page
Loading...
Need help?
General
