Hyundai 250D-9 Manual page 161

4) 4) FORKS FORKS
Inspect the load forks for cracks, breaks, bending,
and wear. The fork top surfaces should be level
and even with each other. The height difference
between both fork tips refer to below table.
Fork length
equal or below 1500
above 1500
If the fork blade at the heel is worn down by If the fork blade at the heel is worn down by
more than 10%, the load capacity is reduced more than 10%, the load capacity is reduced
and the fork must be replaced. and the fork must be replaced.
Inspect the forks for twists and bends. Put a 50
mm (2 in) thick metal block, at least 100 mm (4 in)
wide by 600 mm (24 in) long with parallel sides, on
the blade of the fork with the 100 mm (4 in) surface
against the blade. Put a 600 mm (24 in)
carpenter's square on the top of the block and
against the shank. Check the fork 500 mm (20 in)
above the blade to make sure it is not bent more
than 12.5 mm (0.5 in) maximum.
※
If the fork blades are obviously bent or If the fork blades are obviously bent or
damaged, have them inspected by a trained damaged, have them inspected by a trained
maintenance person before operating the maintenance person before operating the
truck. truck.
Inspect the fork locking pins for cracks or
damage. Reinsert them and note whether they
fit properly.
Height difference (mm)
3
6
7-15
10% of "A" is
max. wear
allowed
A
Shank
500mm Carpenter square
Metal block
Height difference
D35AOM150
12.5mm MAX
Blade
110D9OM151