Snorkel MHP15J - Manual (Page 49)

Ensure all four foot plates are in full contact
with the ground and that they are clear of
manhole covers, drains and unstable
ground etc.
❑ Raising the manually operated stabilisers
Raising the sta bi lis ers is the re verse of set ting the
sta bi lis ers.
The booms must be in the stowed po si tion.
En sure that the Boom/Sta bi liser Switch is is set to
sta bi liser.
Raise the stabilisers by push ing the in di vid ual
valve le vers up (see Fig ure 8.4).
NOTE:
Ensure that the rear stabilisers are raised first to
prevent damage to the jockey wheel.
❑
Self levelling stabilisers (Optional)
This op tion al lows the sta bi lis ers to be low ered and
the unit to be lev elled by op er at ing one switch at the
lower con trol sta tion.
❑ Setting the ‘self levelling’ stabilisers
To op er ate the ‘self lev el ling’ sta bi lis ers the booms
must be in the stowed po si tion.
Figure 8.6
1. Set the Master Key Switch  to ON (see
Figure 8.6).
2. Select stabiliser using the Stabiliser/Boom
switch € (see Figure 8.6)
3. Momentarily (3 - 6 seconds) press the
Stabiliser Lower Switch  (see Figure 8.6).
This will lower all four stabilisers and allow
the unit to “self level”.
Before raising the boom ensure all four foot
plates are in full contact with the ground and
that they are clear of manhole covers, drains
and unstable ground etc.
The boom can now be op er ated in the nor mal man -
ner.
❑
Raising the ‘self levelling’ stabilisers
To op er ate the sta bi lis ers the booms must be in the
stowed po si tion.
1. Select stabiliser using the Stabiliser/Boom
switch € (see Figure 8.6).
2. Hold switch  in the raise mode (up) until all
four stabilisers are fully raised in the stowed
position.
NOTE:
For machines fitted with this option it is possible
to set the stabilisers manually should this be
desired.
❑
Setting the ‘self levelling’ stabilisers
manually
To op er ate the ‘self lev el ling’ sta bi lis ers man u ally
the booms must be in the stowed po si tion.
1. The Master Key Switch  must be ON (see
Figure 8.6)
2. Select stabiliser using the Stabiliser/Boom
Switch € (see Figure 8.6).
3. Hold switch  ‘ON’ (down) while each
individual switch ‚ is pushed down, one at a
time, (see Figure 8.7) until all four stabiliser
pads contact the ground ensuring that the
front stabilisers are lowered first to prevent
damage to the jockey wheel.
Figure 8.7
MHP15J – 11447A page 8 - 3
8. Operation
CAUTION
CAUTION