5-4 BA 50Z3/6003 en – Edition 4.3 * * 5003b510.fm
Maintenance
Fuel-filling pump (option) (from serial no. AD04863)
☞ Park the machine on firm and level ground.
☞ Stop the engine.
☞ Turn the starter key fully to the left to park position P.
☞ Raise the control lever base.
☞ Open the engine cover.
☞ Insert the hose of fuel-filling pump A into the container with the fuel – see Stationary
fuel pumps on page 5-4.
☞ Press button B to switch on fuel-filling pump A.
☞ Press tip switch D.
➥ The float switch screwed into the fuel tank automatically switches off the fuel-filling
pump.
☞ Then press button B to switch off fuel-filling pump A.
☞ Put the hose back in the bracket.
Stationary fuel pumps
General
If possible, refuel only from stationary fuel pumps. Fuel from barrels or cans is usually
dirty.
Even the smallest particles of dirt can cause:
• Increased engine wear.
• Malfunctions in the fuel system and
• Reduced effectiveness of the fuel filters.
Refuelling from barrels
If refuelling from barrels cannot be avoided, note the following points:
• Barrels must neither be rolled nor tilted before refuelling.
• Protect the suction pipe opening of the barrel pump with a fine-mesh screen.
• Immerse the suction pipe opening down to a max. 15 cm (5.9 in) above the floor of the
barrel.
• Only fill the tank using refuelling aids (funnels or filler pipes) with integral microfilter.
• Keep all refuelling containers clean at all times.
Fig. 256: Fuel-filling pump
A
B
C
1
0
2
3
P
Fig. 256: Preheating start switch
Wrong
Right
Fig. 257: Refuelling from a barrel
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