Dibo JMB-MG Mode D'emploi page 144

E N
S E R V I C E
2 Periodic maintenance
DESCRIPTION
• Check the electric cables, high & low pressure
hoses, couplings.
• Control of the oil level.
• Check the wheel bolts/ Ball clutch/plug/lights/
brakes/good tyre pressure of the trailer.
• Control on presence of gas filling connection
protective cap. Remove debris if present at the
filling connection.
• Control of CNG tanks/ band clamps, gas valves
and conduits on damages, corrosion and leaks
(visual or odor detection).
Refreshing pump oil
Refreshing reduction gearbox oil
Cleaning water filter(s)/air filter gas engine.
Checking the gas leaks to the CNG installation.
Replacement and cleaning oil filters
• Leak test of the CNG tank, gas valves and circuit
on leaks (checking leaks via for ex. - digital CH4-
meter, see indication, ref. measuring range:10 ppm
to 4.0 Vol. % CH4).
• Checking the quick release swivel bolt band
clamps on tightness, torque moment (30 Nm).
• Check the supply pressure of the burner (100
mBar) when working.
Checking and cleaning of the spark plugs
• All following refreshments of pump oil and re-
duction gearbox oil.
• Cleaning of the heat exchanger (depending fluid
properties and calcium deposits).
• Replace the bypass valve(s).
Refreshing engine oil, maintenance engine.
Extra control/replacement of joints, valves, o-
rings by acknowledged technician
• Lubricate or oil all sliding or jointed parts of the
overrun device
• Check on possible wear of the wheel brakes/
bearings/brake lining.
• Replace/adding the coolant of the CNG engine
(by a recognized Kubota technician).
• Replace fuel filter (if used) by a recognized
Kubota technician.
• Yearly, mandatory gas tightness test by a ack-
nowledged technician.
Extra mandatory inspection of a recognized CNG
DiBO 38
installer
PERIOD
After each use
First 50 hours
First 50 hours
Every 50 hours
First 50 uur, every next
200 hours
First 50 uur, every next
200 hours
Every 100 hours
Every 250 hours
First 50 uur, every next
200 hours.
See enclosed motor
instruction manual
Every 750 hours
Yearly
Every 4 years