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1. Fork carriage 2. Outer mast 3. Outer frame roller unit 4. Inner mast
5. Inner frame and fork carriage roller unit
figure 2-70 Roller position
Notice: (a) Adjust clearance of side roller for 0.5mm;
(b) Lubricate grease on main roller surface and working surface of mast.
7.5 Maintenance and regulation
7.5.1 Adjustment of lift cylinder See figure 2-71
It is needed to readjust journey of lift cylinder after dismantle or replace lift cylinder, inner mast
or outer mast.do it as below:
(1) Without regulate shim to fit head of piston into upper beam of inner mast.
(2) Lift mast slowly to its maximum journey to check both of cylinder to move simultaneously.
(3) Put adjusting shim into between head of piston and upper beam of mast.Shim thickness
between 0.2mm and 0.5mm.
(4) Regulating tension of chain
1. Upper beam of inner mast 2. Lift cylinder adjusting shim 3. Lift cylinder
figure 2-71 Adjusting for lift cylinder
7.5.2 Height adjusting for fork carriage(figure2-72)
(1) Park forklift on level ground and keep mast vertically.
(2) Keep fork bottom touching ground, make a distance A between main roller and bottom end
of inner mast by regulating nut which locate upper end of adjust chain.A(A=24~29)
