and internal wall of braking drum.
and internal wall of braking drum.
Fig, 5.7
Fig, 5.7
5.4.1 Travel brake (5-7t forklif
5.4.1 Travel brake (5-7t forklif
t truck) (See Fig. 5.8)
t truck) (See Fig. 5.8)
There is only one brake sub-pump on travel brake of 5-7t forklift and the two ends of
There is only one brake sub-pump on travel brake of 5-7t forklift and the two ends of
its piston rod contact with the upper end of primary and secondary braking shoes
its piston rod contact with the upper end of primary and secondary braking shoes
respectively. The lower end of primary and secondary braking shoes contact with the both
respectively. The lower end of primary and secondary braking shoes contact with the both
ends of clearance adjuster and are pressed against the bottom plate of brake by spring and
ends of clearance adjuster and are pressed against the bottom plate of brake by spring and
rod for setting lever spring.
rod for setting lever spring.
The automatic clearance adjusting device generally plays the role when the forklift
The automatic clearance adjusting device generally plays the role when the forklift
brake
brake
s for
s for
rever
rever
sal i.e. when the
sal i.e. when the
adju
adju
sting lever has a
sting lever has a
large cleara
large cleara
nce, the gear
nce, the gear
on the
on the
automatic adjuster turns a tooth and makes the clearance after adjustment remain at 0.4 to
automatic adjuster turns a tooth and makes the clearance after adjustment remain at 0.4 to
0.6mm. For the adjustment of rotatio
0.6mm. For the adjustment of rotatio
n direction of the gear, See Fig. 5.7.
n direction of the gear, See Fig. 5.7.
Because the braking of 5-7t forklift has two open-types, there are two kinds of
Because the braking of 5-7t forklift has two open-types, there are two kinds of
material used for leather bowl of brake sub-pump, i.e. the leather bowl of dynamic braking
material used for leather bowl of brake sub-pump, i.e. the leather bowl of dynamic braking
type uses oil-resistant rubber and the leather bowl of vacuum assisted type is made up of
type uses oil-resistant rubber and the leather bowl of vacuum assisted type is made up of
leather or syntheti
leather or syntheti
c leather. More attenti
c leather. More attenti
on should be paid
on should be paid
in changing parts and fittings.
in changing parts and fittings.
Self-correcting indirection
Self-correcting indirection
-71-
-71-
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