5.
Emergency Lower Control:
Allows the
platform to be lowered in the event of an
emergency (Figure 8.12).See Chapter 11
"Emergency Operation" for details of
emergency lowering procedures.
Figure 8.12 - Emergency Lower Valve -
Non-Insulated Fibreglass Basket
1.
Slew
: LEFT rotates the entire turntable and
boom to the left. RIGHT rotates the entire
turntable and boom to the right.
2.
Lower Boom
: UP raises the lower boom.
DOWN lowers the lower boom.
3.
Upper Boom
: UP raises the upper boom.
DOWN lowers the upper boom.
4.
Jib Boom
: UP raises the jib boom. DOWN
lowers the jib boom.
5.
Platform Rotate
: (Option) LEFT rotates the
platform left. RIGHT rotates the platform
right.
Items 1 through 5 (see Fig ure 8.13) are the plat form
mov ing con trol le vers.
All le ver move ment is ver ti cal. This pro duces a cor -
re spond ing left/right move ment for con trol le vers
and
, an up/down move ment for con trol le vers
and
, and an ex tend/re tract move ment for con -
trol le ver
.
Figure 8.13 - Upper Controls - Non-Insulated
Fibreglass Basket, Platform Movement
Control Valve levers
■
Stabiliser Controls
Figure 8.14 - Stabiliser Controls (Manual)
1.
Boom / Stabiliser Switch:
Ensure the
boom/stabiliser switch on the lower control
box is set to stabiliser (see Item 5 on page 2
of this chapter)
NOTE:
Ensure that the front stabilisers are lowered first
to prevent damage to the jockey wheel.
2.
Valve Levers:
Operate the valve levers
to
activate the stabilisers and level the
machine.
3.
Bubble level:
Use the bubble level to level
the machine.
Figure 8.15 - Bubble Level
■
Self Levelling Stabilisers (Option)
Figure 8.16 - Self Levelling Stabiliser Controls
page 8 - 6
Rev F
MHP15/44HD – 12885A
8 Controls - Hydraulic