OPERATING INSTRUCTIONS RH 40 E

Inspection and servicing

Never clean filter element by beating against hard objects.

Replace the main filter element after 1000 operating hours or 3 cleaning cycles; and, after one year of operation at the latest.

Safety filter element Replacement

Replace the safety filter elements (5, Fig. 3-30:) after 1000 operating hours or 3 cleaning cycles; after one year of operation at the latest.

Never clean the safety filter element, but always renew.

" Remove main filter element (4, Fig. 3-31:) as described above.

" Unscrew nut (6, Fig. 3-30:) and withdraw safety filter element (5).

" Install the new safety filter element and a cleaned or a new main filter element.

Air-intake lines

At regular intervals:

" check intake lines for leaks and hose clamps for tightness;

" replace hoses between filter housing and engine.

During all works on the air-intake system ensure proper sealing to prevent unfiltered air from reaching the engines.

Dust collection

Dust accumulating on the filter-housing bottom is constantly sucked away by the exhaust system during operation.

The non-return valves (7, Fig. 3-32:) in the suction lines prevent engine exhaust gases from being sucked in.

At regular intervals:

" check suction lines for leaks and hose clamps for tightness.

Fuel System

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Fuel system - Safety instructions

Read and observe the "Inspection and servicing – Safety instructions" chapter.

When working on the fuel system: shut off the engines secure the machine as described in the "Securing the machine" section keep away naked flames do not smoke.

Collect escaping fuel and discard without polluting the environment.

Avoid skin contact with diesel fuel.

Diesel fuel may cause skin injury.

Wear firm working clothing.

Wear protective gloves or use a barrier cream.

Prior to initial commissioning or after repairs on the refuelling system carry out the following works:

" Loosen elbow union (12, Fig. 3-33:) and fill pump (11) with fuel.

" Retighten elbow union (12).