Bearing Housing and Connecting Rod
Removal
1.
Relieve pressure; page 4.
2.Stop sprayer at bottom of stroke to get crank (E) in lowest position.To lower crank manually, remove spark plug and carefully rotate crank by pulling starter rope.
3.Fig. 3. Remove front cover (13). Unclip drain hose
(108)from pump. Unscrew pump suction tube
(107)from pump. Disconnect pump hose (47).
4.Push up retaining spring (18). Push pin (19) out rear.
19
18
Fig. 2 | 7675B |
5. | Loosen locknut (20). Unscrew displacement |
| pump (21). |
6. | Remove four screws and lockwashers (44, 45). |
7. | Tap lower rear of bearing housing (17) with a |
| plastic mallet to loosen from drive housing (12). |
| Pull bearing housing and connecting rod assembly |
| (14) straight off drive housing. |
8. | Remove pail hanger (59) and install it on new |
| bearing housing. |
3.Clean mating surfaces of bearing and drive hous- ings (17, 12).
4.Align connecting rod (14) with crank (E) and drive housing locating pins (12b) with bearing housing (17) holes. Push bearing housing onto drive hous- ing or tap into place with plastic mallet.
CAUTION
Do not use bearing housing screws (44) to align or seat bearing housing; this may cause bearing and drive housing misalignment and result in premature bearing wear.
5.Install screws and lockwashers (44, 45). Tighten screws evenly to 25
6.Install pump; page 14.
7.Fig. 3. Install remaining parts.
1 B | C | 2 |
|
| D | 2 |
|
| 14 |
| |
| 45, 44 | 3 | |
13
E
12
12b
57
17
18
19
47
9. Inspect crank (E) for excessive wear and replace |
parts as needed. |
Installation
1. Evenly lubricate inside of bronze bearing (B) in |
bearing housing (17) with |
Liberally pack top roller bearing (C), lower bearing |
108
1Oil
20
59
21
106
(D) inside connecting rod assembly (14) with |
bearing grease 114819. |
2. Assemble connecting rod (14) and bearing |
housing (17). |
2 | 107 |
Pack with bearing grease 114819 | |
3 | Torque to 25 |
Fig. 3 | 8697A |
|