MAC TOOLS MW250 Instrucciones de operaciones descargar pdf (Pagina 131)

100

101

TM 5-4310-452-14

4-35. IDLER PULLEY ASSEMBLY MAINTENANCE (Con't).

4. Drive bushing (20) out from opposite side of V-belt pulley (17).

5. Using puller, remove bearing (19) and washer (18) from V-belt pulley (17).

6. Remove roll pin (25) from pulley lever (13).

7. Slide spring (1) and shaft (2) out of cover (7).

8. Remove shaft seal (10) from cover (7).

9. Using arbor press, drive 2 bearing bushings (4), spacer (5), and washer (3) from cover (7).

10. Disconnect shaft (2) from spring (1).

c. ASSEMBLY

1. Using arbor press, install 2 bearing bushings (4) and spacer (5) in cover (7).

2. Connect shaft (2) and spring (1). Install washer (3) on shaft with cupped side facing away from spring.

3. Install spring (1), shaft (2), and washer (3) in cover (7).

4. Install shaft seal (10) in cover (7).

5. Install cover (7), spring (1), and shaft (2) in place on pulley lever (13). Line up holes in shaft and pulley lever and

install roll pin (25).

6. Install washer (18) and bearing (19) in V-belt pulley (17).

7. Install bushing (20) in V-belt pulley (17).

8. Install ring (16) in V-belt pulley (17).

9. Install V-belt pulley (17), washers (12, 14, and 15), nut (11), and bolt (21) on pulley lever (13).

10. Install new gasket (22) and cover (23) on V-belt pulley (17) with 3 countersunk screws (24).

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MAC TOOLS MW250 Instrucciones de operaciones Pagina 131

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