Daewoo Doosan MT41 Operation and Maintenance Manual MX511847 - PDF DOWNLOAD

Page 175

7. Maintenance

2000 Hours Service Maintenance to be performed every 2000 hours of operation.

1. Engine 1.1. Check/adjust PDE injector rocker arms

• Checking/adjusting PDE injector rocker arms shall also be carried out after the first 500 hours of operation. • Contact Moxy Dealer for checking/adjusting of the PDE injector rocker arms • The checking/adjusting of the PDE injector rocker arms must only be carried out by qualified personnel.

1.2. Check/adjust valve clearance

• Checking/adjusting valve clearance shall also be carried out after the first 500 hours of operation. • Contact Moxy Dealer for checking/adjusting of the valve clearance • The checking/adjusting of the valve clearance must only be carried out by qualified personnel.

FLYWHEEL Cylinder numbering TDC position No. 6 cylinder

TDC position No. 1 cylinder

• The air filter and air filter bracket has to be removed before adjustment takes place. Adjust if necessary: • Inlet: 0,45 mm • Exhaust: 0,70 mm see instruction sign on one of the rocker covers. Valves should be adjusted when the engine is cold, at least 30 minutes after operation. Rocker cover gaskets must be changed if necessary. • Tightening torque: 26 Nm 1. Set no. 1 cylinder to TDC (Top Dead Centre) by turning the engine in its direction of rotation until all four valves are closed. 2. Adjust the following valves: Cylinder

FLYWHEEL Intake valve Exhaust valve

1 2 3 4 5

Inlet and exhaust Inlet Exhaust Inlet Exhaust

3. Set no. 6 cylinder to TDC (Top Dead Centre) by turning the engine one revolution in its direction of rotation. 4. Adjust the following valves:

The readings can only be taken from underneath

Cylinder

2 3 4 5 6

Exhaust Inlet Exhaust Inlet Inlet and exhaust

WARNING Covers for reading on flywheel casing

Block the starter device when working on the engine! If the engine starts out of control, there is a SERIOUS RISK OF INJURY!

* Numbers refer to positions on the lubrication schedule, chapter 6 Operating & Maintenance Manual

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