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Manual Lowering Controls
Electro-Hydraulic Control Valve With Manual Control Push Buttons
1. Jib Raising / Lowering Control Valve :
Depress and keep depressed the top push button
while activating the hand pump to lower the jib.
Depress and keep depressed the bottom push
button while activating the hand pump to raise the
jib.
2. Mast Raising / Lowering Control valve :
Depress and keep depressed the top push button
while activating the hand pump to lower the mast.
Depress and keep depressed the bottom push
button while activating the hand pump to raise the
mast.
3. Slewing Control Valve :
Depress and keep depressed the top push button
while activating the hand pump to slew the
turntable
to
depressed
the
activating the hand pump to slew the turntable to
the left.
4. Pump Handle :
Insert the pump handle in the hand pump to
activate a movement.
5. Hand Pump :
Operate the hand pump while activating the
desired movement.
31210005
the
right.
Depress
and
bottom
push
button
SECTION 3 - MACHINE CONTROLS AND INDICATORS
1. Jib Raising / Lowering Control Valve
2. Mast Raising / Lowering Control Valve
3. Slewing Control Valve
4. Pump Handle
5. Hand Pump
Figure 3-3. Manual Lowering Controls
keep
while
– JLG Lift –
3-3
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