Grillo DUMPER 406 Mode D'emploi Et Maintenance page 9

LUBRICATION
N.B.: Change oil when the machine is hot to aid total drainage of the old oil. Never remove the oil level
caps with the machine running as circulating oil may spill out.
ENGINE OIL
Comply strictly with the instructions given in the engine handbook. It is essential to check the level
every 4 working hours and change it approximately every 50 hours (Fig. 9).
Use 10W30 (API SE) engine oil in summer and winter. Always consult the engine instruction manual.
AIR FILTER
GEARBOX OIL
Check the level about every 50 working hours and top up if necessary with MP 85W/90 gearbox oil.
Change the oil once a year (quantity 1.35 kg). To drain the old oil from the gearbox, remove the screw
(Fig. 8).
TRACK ROLLERS
USEFUL RULES FOR OPTIMUM USE
– Never leave the machine out in the rain.
– Never force the gearbox if the gear does not engage; give light touches on the clutch while engaging
the gear.
– Never make the engine labour too hard; when excessive smoke comes from the exhaust, the engine
is labouring. Slow down or engage a low range gear.
– Never work at full throttle.
– Remove any leaves or grass which accumulate on the grille around the engine pull-start.
The truck capacity is 400 kg, but users are advised to consider the terrain on which the vehicle is to be
used when deciding the load which can be transported. Remember that since this is a crawler vehicle,
it pitches considerably on humps, curbs and steps. When crossing such obstacles, use low gears and
take special care; engage a low gear and retain it until back on level ground. If the machine is stopped
on steep slopes, release lever (1, Fig. 1) thus blocking the truck automatically (B, Fig. 7). Although the
snow) or on terrains which might make the vehicle unstable.
RUBBER CRAWLER TRACKS - precautions for use
1) TRACK TENSION (Fig. 6)
1) When the machine is lifted off the ground, the rubber tracks must sag by 10-15 mm as shown in the
diagram.
Fig. 10 - Rubber crawler track tension
2) When the track becomes slack, it must be adjusted to prevent the machine from shedding an exces-
sively loose track.
10 ~ 15 mm.
Fig. 10
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