Rollers

Removal

 

20

1.

Relieve pressure; page 4.

98

 

2.Fig. 2. Remove six cap screws (10) lock washers

(9) and cover assembly (24).

Note: A screw driver may be needed to pry off cover assembly.

3. Remove dowel pins (97) and rollers (98)

97

9

10

Installation

 

 

1.

Install rollers (98) and dowel pins (97)

9

 

 

 

99

 

2.

Install cover assembly (24) with six lock washers

24

9033A

 

(9) and cap screws (10).

Fig. 2

 

Drive Housing

Removal

1. Relieve pressure; page 4.

2.Fig. 2. Remove six cap screws (10) lock washers

(9) and cover assembly (24).

3.Fig. 3. Remove two screws (99) and washers (9).

4.Remove four cap screws (10) lock washers (9) from drive housing (20).

5.Lightly tap around drive housing (20) to loosen drive housing. Pull drive housing straight off pinion housing. Be prepared to support gear cluster (18), which may also come out.

Installation

1.

Liberally apply bearing grease (supplied with

 

replacement gear cluster) to gear cluster (18),

 

washers (82) and (83) and to areas called out by

 

note 1. Use full 0.68 pint (0.32 liter) of grease for

 

GMax 7900.

2.

Place bronze colored washer (83) and silver

 

colored washer (82) onto drive housing (20). Install

 

gear cluster (18) through washers (83) and (82).

3.

Place bronze colored washer (20g) and silver

 

colored washer (20h) on shaft protruding from

 

large shaft of drive housing (20). Align gears and

 

push new drive housing straight onto pinion hous-

 

ing and locating pins (B).

10

9

B

1

20h

 

20g20

18

4.

Install two washers (9) and screws (99).

5.

Install four lock washers (9) and cap screws (10)

 

into drive housing (20).

6.

Install cover assembly (24) with six lock washers

 

(9) and cap screws (10).

 

9

82

99

83

1Apply remaining grease to these areas

Fig. 3

9032A

 

308870 7

Page 7
Image 7
Graco Inc 308870 dimensions Rollers, Drive Housing