27
HYDRAULIC PUMP
The engine is driving a hydraulic pump via a
spider type coupling.
What to do if loss of oil pressure is
experienced and the motor is running
correctly?
First check that the hydraulic system is
working correctly by checking that the dump
valve is activated. If the dump valve is
working and you still have no oil flow, it is
most likely to be a failed pump or that the
coupling is spinning on the motor or pump
shaft. Remove the bell housing to check that
each coupling half is secured on the shaft.
Then remove the pump and check the
internal gears. The Stop/Run/Start key
switch is located on the right hand side of the
engine. You also have a separate push
button Start/Stop in the cage. Some engines
are equipped with an automatic electrical
choke to facilitate remote cold start. For the
engine to start remotely, the key switch on
the engine must be in the run position. If not,
the engine will turn over on the starter, but
will fail to ignite. The platform’s control circuit
is powered by the engines start battery. The
built in heavy duty 10A alternator will
recharge the battery during use. If the engine
is not turning over when trying to start the
most likely cause is a discharged battery.
Jump start using another 12 volt battery or
use the manual recoil fitted on all engines.
Always switch the key switch on the engine
to the “Off” position when not in use to isolate
the circuit. Should the engine turn over
without starting check the fuel level first !
Then look at the electrical circuit for faults.
Always let the engine reach operating
temperature before loading the hydraulic
circuit.
Some engines are fitted with a low oil level
safety cut out which will stop the engine and
prevents starting if the oil level is low.
The engine Stop/Run/Start key switch must
be in the run position even when starting the
engine manually.
Electrical choke
Shown here is the Honda G270 petrol
engine and 12V start battery (without
protective cover)
Check battery weekly and top up
with distilled water if required
The yellow handle is the emergency slew
handle and has nothing to do with the
engine. See elsewhere in this manual for
information on using the emergency slew
handle.
HP: 9HP / 3600RPM Max torque 2600RPM
Fuel Capacity : 6 Litres
Pump Capacity : 1.19 cc
Operating RPM : Set to boom speeds !
Noise level : 105db (A)
Max Charging current : 10A
Battery required for manual start : NO
Battery required for platform electrics : YES
Max running time (approximately) : 8 hours
Low oil level cut out fitted : YES
Engine oil spec: SAE 10-40
See OEM manual for more
information.
MAINTENANCE PROCEDURE
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