Mathey Dearman 8SA Saddle Machine - Manual (Page 19)

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Bearing Brackets assemblies leave the Ring Gear (Figure 5 item 3) they should not suddenly push the
Ring Gear.
7.1.10.27 Reattach the Side and Top Tie Rod Handles (Figure 5 item 14) to the Single and Double Bearing Bracket
Assemblies (Figure 5 items 4 & 5) with the 3/8-16 X 1-1/4” long Hex Head Cap Screws (Figure 5 item 12)
and Washers (Figure 5 item 13) and tighten with a 9/16" wrench.
7.1.10.28 Rotate the Ring Gear (Figure 5 item 3) one (1) full revolution in the clockwise and counterclockwise
direction checking the entry of the Ring Gear into the Pinion (Figure 6 item 4) & (Figure 5 item 5) of the
Single and Double Bearing Bracket Assemblies (Figure 5 items 4 & 5) to insure the entry of the Pinion
Gears into the Ring Gear is smooth and without hesitation.
7.1.10.29 Place a 3/16” drill in the 3/16” hole of the Pinion Gear (Figure 6 item 4) & (Figure 7 item 9) and drill
completely through the Axle (Figure 6 item 3) & (Figure 7 item 5) and Pinion Gear Assembly of the Single
and Double Bearing Bracket Assemblies (Figure 5 items 4 & 5).
7.1.10.30 Reinstall the 3/16” X1” long Spring Pin (Figure 6 item 10) & (Figure 7 item 16) in the 3/16” hole in the
Pinion Gear (Figure 6 item 4) & (Figure 7 item 9) of the Single and Double Bearing Bracket Assemblies
(Figure 5 items 4 & 5)
7.1.10.31 The Saddle Machine is now ready for the cutting operation.
7.2 Installation of New Drive Chains
Adjusting of the timing requires the purchase of the 3 Axles. Two (2) Axles (Figure 6 item 10) for
the Single Bearing Bracket Assemblies and one (1) Axle (Figure 7 item 5) and Double Bearing
Bracket Assembly (Figure 5 item 5)
Note: Redrilling of the old Axle will severely weaken the axle
7.2.1 Remove both Top and Side Tie Rod Handles (Figure 5 item 6) from the Single and Double Bearing
Bracket Assemblies (Figure 5 items 4 & 5) by removing 3/8-16 x 1-1/4 Hex Head Cap Screws
(Figure 5 item 12 ) and Washers (Figure 5 item 13) using a 9/16" wrench.
NOTE: Save Hex Head Cap Screws (Figure 5 item 12) and Washers (Figure 5 item 13).
7.2.2 Remove the Crank Handle Assemblies (Figure 7 item 2) from the Right and Left Double Bearing
Bracket Assemblies (Figure 5 item 5).
7.2.3 Remove 3/8-16 x 7/8” Hex Head Cap Screws (Figure 5 item 11) and 3/8” Washers (Figure 5 item
13) from the Left Single Bearing Bracket Assembly (Figure 5 item 4) with a 9/16” wrench.
7.2.4 Remove the Drive Chain (Figure 5 item 14) from the Sprocket (Figure 6 item 2) of the Left Single
Bearing Bracket Assembly (Figure 5 item 4).
7.2.5 Place the Left Single Bearing bracket Assembly on the table.
7.2.6 Remove 3/8-16 x 7/8” Hex Head Cap Screws (Figure 5 item 11) and 3/8” Washers (Figure 5 item
13) from the Right Single Bearing Bracket Assembly (Figure 5 item 4) with a 9/16” wrench.
7.2.7 Remove the Drive Chain (Figure 5 item 14) from the Sprocket (Figure 6 item 2) of the Right Single
Bearing Bracket Assembly (Figure 5 item 4).
7.2.8 Place the Right Single Bearing bracket Assembly on the table.
7.2.9 Remove 3/8-16 x 7/8” Hex Head Cap Screws (Figure 5 item 11) and 3/8” Washers (Figure 5 item
13) from the Left Double Bearing Bracket Assembly (Figure 5 item 5) with a 9/16” wrench.
7.2.10 Remove the Drive Chain (Figure 5 item 14) from the crank Gear and Double Sprocket (Figure 7 item
4) of the Left Double Bearing Bracket Assembly (Figure 5 item 5).
Note: Do not loosen the 3/8”-16 x 7/8" Hex Head Cap Screws (Figure 5 Items 11) that holds the
other Right Double Bearing Bracket Assemblies (Figure 5 item 5) to the Saddle (Figure 5 item 1).
7.2.11 Remove the Drive Chain (Figure 5 item 14) from the crank Gear and Double Sprocket (Figure 7 item
4) of the Right Double Bearing Bracket Assembly (Figure 5 item 5).
7.2.12 Place the Left Double Bearing bracket Assembly in a vise.