SERVICE MANUAL
5-20
9G9002 – 2011-08-15
Figure 13
Rollback Assembly
Item
Part No.
Part Name
13
Quantity Detailed Description
1
A4A97H5747 Spring
13
2
Spring - extension; close wound, centered full loops, 2 lb./in.
stainless steel, 0.240 in OD × 0.029 in. wire dia. × 1.750 in.
free L, 0.33 lb. initial tension, 3.47 extension W-O set
2
A4A98F2668 Knob
13
1
Knob - rollback
3
A4A99H0087 Sleeve bearing
13
2
Bearing - sleeve; 2 flanges, split, 10 mm ID for 2 mm T
4
A4A95F4836 Retaining ring
13
4
Retaining ring - external; 8.0–11.0 mm shaft dia., 0.9 mm T,
carbon steel, Trivalent Zinc Plus sealer; RoHS compliant
5
A4A99G3660 Pulley
13
1
Pulley - reduction; 3 mm, GT, 50:16
6
A4A99G3576 Belt - timing
13
1
Belt - timing; 3 mm, 219 mm L × 6 mm W pitch, 73 teeth,
GT2; RoHS compliant
7
A4A98F3211 Pulley
13
1
Pulley - processor; 3 mm, GT, 18 groove; RoHS compliant
8
A4A99G1413 Flag - home
13
1
Flag - home, rollback
9
A4A99G5064 Screw
13
6
Screw - machine; SEMS, pan head, Torx T10, M3 × 0.5 ×
6.0, clear zinc
10
A4A92G1630 Motor - stepper
13
1
Motor - stepper, transport
11
A4A99G0894 Screw
13
2
Screw - machine; SEMS, pan head, Torx T20, M4 × 0.7 mm
× 8.0 mm, clear zinc
12
A4A95F4743 Belt - timing
13
1
Belt - timing; 3 mm, 201 mm L × 6 mm W pitch, 67 teeth,
GT2, neoprene, nylon, fiberglass; RoHS compliant
13
A4A97F2484 Pulley
13
1
Pulley - transport; 3 mm, GT, 16 groove
14
A4A95F4586 Retaining ring
13
3
Retaining ring - external; 6.0–8.0 mm shaft dia., 0.7 mm T,
carbon steel, Trivalent Zinc Plus sealer; RoHS compliant
15
A4A93B7328 Bearing - sleeve
13
4
Bearing - sleeve; 2 flanges, split axial, type 7, TEP 110,
nylon, while, 8 mm ID for 2 mm sheet T, 8.025 mm dia. bore,
9.600 mm dia. Hsg bore; RoHS compliant
16
A4A99G2677 Shaft - wheel
13
4
Shaft - wheel, rollback
17
A4A99G2014 Wheel - convex
13
4
Wheel - convex, rollback
