Mathey Dearman 8SA Saddle Machine User Manual

Page 18

Warning: Redrilling of the old Axle will severely weaken the axle.

7.1.10.9 Reinstall the 3/16” X1-1/4” long Spring Pin (Figure 6 item 11) in the 3/16” drilled hole in the Sprocket

(Figure 6 item 2).

7.1.10.10 Press the Axle (Figure 6 item 3) and Sprocket (Figure 6 item 2) assembly into the Double Bearing Bracket

Assembly (Figure 5 item 4).

7.1.10.11 Place the 2 of the 1/2" Washers (Figure 6 item 12) on the axle (Figure 6 item 3).

7.1.10.12 Press the Pinion Gear (Figure 6 item 4) on to the axle (Figure 6 item 3).

7.1.10.13 With a 5/32” allen wrench tighten the Socket Set Screw (Figure 6 item 7) in the Pinion Gear (Figure 6

item 4) until it will turn with some resistance.

7.1.10.14 Place the Drive Chain (Figure 5 item 14) on the Sprocket (Figure 6 item 2) of the Single Bearing Bracket

Assembly (Figure 5 item 4).

7.1.10.15 Place the Single Bearing Bracket Assembly (Figure 5 item 4) in position on the backside of the Saddle

(Figure 5 item1), rotating the Pinion Gear (Figure 6 item 4) so teeth mesh in the teeth of Ring Gear
(Figure 5 item 3).

7.1.10.16 Install the 3/8-16 x 7/8” Hex Head Cap Screws (Figure 5 item 11) and 3/8” Washer (Figure 5 item 13)

through the Single Bearing Bracket (Figure 5 item 4) and screw into the Saddle (Figure 5 item 1).

7.1.10.17 The should be a .005” to .007” gap between the Pinion Gear (Figure 6 item 4) and the teeth of Ring Gear

(Figure 5 item 3).

7.1.10.18 Snug the 3/8-16 x 7/8” Hex Head Cap Screws (Figure 5 item 11) with a 9/16” wrench until it cannot be

moved by hand.

7.1.10.19 Move the Single Bearing Bracket (Figure 5 item 4) downward with a soft face mallet stretching the Side

Drive Chain (Figure 5 item 14) until it is tight; while maintaining the .005” to .007” gap between the
Pinion Gear (Figure 6 item 4) and the teeth of Ring Gear (Figure 5 item 3).

7.1.10.20 Make sure the Pinion Gears (Figure 6 item 4) & (Figure 7 item 9) of the Single and Double Bearing

Bracket (Figure 5 item 4) & (Figure 5 item 5) are evenly spaced in the teeth of the Ring Gear (Figure 5
item 3).

7.1.10.21 Tighten the Socket Set Screw (Figure 6 item 7) in the Pinion Gears (Figure 6 item 4) of the Single Bearing

Bracket (Figure 5 Item 4) with a 5/32” allen wrench.

7.1.10.22 Re Install the Crank Handle Assembly (Figure 7 item 2) on the Crank Pinion (Figure 7 item 3) of the

Double Bearing Bracket Assembly (Figure 5 item 5) that was removed.

7.1.10.23 Rotate the Ring Gear (Figure 5 item 3) clockwise as viewed from the front of the machine) and check the

entry of the Pinion Gear (Figure 6 item 4) & (Figure 7 item 9) of the removed Single and Double Bearing
Bracket Assemblies (Figure 5 items 4) & (Figure 5 item 5) into the Ring Gear.

7.1.10.24 Adjust the Pinion Gear (Figure 6 item 4) & (Figure 7 item 9) of the removed Single and Double Bearing

Bracket Assemblies (Figure 5 items 4) & (Figure 5 item 5) as needed so that they enter the Ring Gear
(Figure 5 item 3) without hesitation.

Note: When the Pinion Gears (Figure 6 item 4) & (Figure 7 item 9) of the Single and Double Bearing
Brackets assemblies (Figure 5 item 4) & (Figure 5 item 5) enters the Ring Gear (Figure 5 item 3), the
Pinion Gears should not suddenly pull the Ring Gear. As the Pinion Gears of the Single and Double
Bearing Brackets assemblies leave the Ring Gear (Figure 5 item 3) they should not suddenly push the
Ring Gear.

7.1.10.25 Tighten all 3/8”- 16 X 7/8” long Hex Head Cap Screws (Figure 5 item 11) in the Single Bearing Bracket

Assembly (Figure 5 item 4) using a 9/16” wrench.

7.1.10.26 Rotate the Ring Gear (Figure 5 item 3) one (1) full revolution in the clockwise and counterclockwise

direction rechecking the entry of the Ring Gear into the Pinion Gears (Figure 6 item 4) & (Figure 7 item
9) of the Single and Double Bearing Brackets assemblies (Figure 5 item 4 & 5)