MTU C23R Instruções de Operação descarregar pdf (Página 147)

Checking V-belt tension – Rock-

ford S370 fan clutch

1. Switch on belt tension tester.

2. Hold measuring tip of belt tension tester

over belt drive. Tap drive belt (arrow) with a

suitable tool.

3. Hold belt tension tester over belt drive until the measured value is indicated.

Initial assembly at MTU Initial operation with fan Re-tensioning

36 Hz ±5 Hz 49 Hz ±2 Hz 44 Hz ±2 Hz

Adjusting drive belt tension

1. Release screws (2) until fan clutch can be

moved.

2. Tighten stud (1) until the required frequen-

cy is achieved.

3. For Rockford S270 fan clutch:Tighten screws (2) to specified tightening torque.

Name Size Type Lubricant Value/Standard

Screw M12x60 Tightening torque 100 Nm +10 Nm

4. For Rockford S370 fan clutch: Tighten screws (2) to specified tightening torque.

Name Size Type Lubricant Value/Standard

Screw M16x80 Tightening torque 270 Nm +10 Nm

M015695/03E 2013-03 | Task Description | 147

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MTU C23R Instruções de Operação Página 147