8-8
OptiOns
load Safety device
load Safety device
The load safety devices include an
emergency shut-off valve and an overload
warning device. The emergency shut-off
valve prevents the boom or arm from falling.
The overload warning device sounds an
alarm when an excessive load is detected.
emergency Shut-off valve
If the boom or arm cylinder hose for lifting is
ruptured, the emergency shut-off valve is
activated to prevent the boom or arm from
falling rapidly.
If the boom or arm falls and the
emergency shut-off valve is activated,
immediately move away from the load
being lifted.
Boom
Arm
If the emergency shut-off valve (1) or (2) is
activated, immediately set the operating
levers to the neutral position. Do not move
the operating lever to the boom or arm
lowering side. Ask your sales or service
dealer for repair.
If the engine can be started without
problems, the boom or arm can be lowered
with the operating lever. Slowly lower the
boom or arm while ensuring safety.
If the engine fails to start, lower the boom or
arm by performing the following steps.
1. Check that the load being lifted and the
machine are secure and the work area is
safe.
2. Remove the cap (3).
3. Loosen the lock nut (4).
4. Tighten the stem (5) slowly to lower the
boom or arm.
5. Check that the load and the hoe
attachment are secure.
6. Loosen the stem (5) and secure it with the
lock nut (4).
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