Graco 278680, Инструкция по эксплуатации, Страница: 17 / 28

Drive Housing Replacement
332257A 17
Drive Housing Replacement
Removal
1. Perform Pressure Relief Procedure , page 8.
2. Remove pump (41), Displacement Pump
Replacement , page 15.
3. Remove screws (12) from front cover (22).
4. Remove bracket (147) and screw (148).
5. Remove screws (47).
6. Pull drive housing (42) off motor (54).
7. Remove gear cluster (44) and (40) and thrust
washer (25) from drive housing.
Installation
1. Apply a heavy coat of grease to gears and needle
bearing surfaces.
2. Install washers (8, 10) on back of gear (40). Install
gear in motor end bell. Using grease for retention,
place washer (10) over bearing inside housing (42).
3. Install washers (1, 9) on back of gear (44). Install in
motor endbell.
4. Install thrust washer (25) on gear (44).
5. Push drive housing (42) on motor endbell as you
guide gear crank (44) through hole in connecting
rod (43).
6. Install screws (47). Torque to 16 - 18 N•m.
7. Install bracket (147) and screw (148).
Torque to 16 - 18 N•m.
8. Install cover (22) and screws (12).
Torque to 1 - 1.2 N•m.
9. Install pump (41); Displacement Pump
Replacement , page 15.
NOTICE
Do not drop gear cluster (44) and (40) when removing
from drive housing (42). Gear cluster may stay
engaged in motor front end bell or drive housing.
54
9
1
8
10
40
10
25
42
47
22
12
23
117
70
12
A
12
44
43
147
148
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