Mathey Dearman 3SA Saddle Machine - Manual (Page 18)

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7.1.23 Make sure the Pinion Gears (Figure 5 item 3) of the Single Bearing Brackets (Figure 4 items 4 & 5) are evenly
spaced in the teeth of the Ring Gear (Figure 4 item 3).
7.1.24 Tighten the Hex Head Cap Screws (Figure 4 item 12) on both sides of the Left Single Bearing Bracket
Assembly(Figure 4 item 4) using a 9/16” wrench.
7.1.25 Rotate the Ring Gear (Figure 4 item 3) one (1) full revolution in the clockwise and counterclockwise direction
checking the entry of the Ring Gear (Figure 4 item 3) into the Pinion Gears (Figure 5 item 3) of the Right & Left
Single Bearing Bracket (Figure 4 items 4 & 5).
Note: The entry of the Pinion Gears into the Ring Gear should be smooth and without hesitation.
Note: When the Pinion Gears (Figure 5 item 3) of the Right and Left Single Bearing Brackets (Figure 4 items 4 &
5) enters the Ring Gear (Figure 4 item 3) it should not suddenly pull the Ring Gear. As the Pinion Gear (Figure 5
item 3) of the Single Bearing Brackets (Figure 4 items 4 & 5) leave the Ring Gear (Figure 4 item 3) it should not
suddenly push the Ring Gear.
7.1.26
Reattach both Tie Rod Handles (Figure 4 item 7) to the Single and Double Bearing Bracket Assemblies (Figure 4
items 4, 5 & 6) with the Hex Head Cap Screws (Figure 4 item 10 ) and Hex Nuts Figure 4 item 13) and tighten
with a 1/2" wrench.
7.1.27 Rotate the Ring Gear (Figure 4 item 3) one (1) full revolution in the clockwise and counterclockwise direction
rechecking the entry of the Ring Gear into the Pinion
(Figure 5 item 3) of the Right & Left Single Bearing Bracket
Assembly (Figure 4 items 4 & 5) to assure the entry of the Pinion Gears into the Ring Gear is smooth and without
hesitation.
7.1.28 Drill through the Sprocket (Figure 5 item 3) and Axle (Figure 8 item 5) with a 3/16” drill.
7.1.29 Install 3/16” x 1-1/4” long Spring Pin into the Sprocket (Figure 5 item 3).
7.1.30 The machine is now ready for the cutting operation.
7.2 Installation of New Drive Chains in Manual 3SA
Installation of a new Drive Chains (Figure 4 item 15) will also require the purchase of an Axle (Figure 5
item 4).
Note: Redrilling of the old Axle will severely weaken the axle
7.2.1 Remove both Tie Rod Handles (Figure 4 item 7) from the Single and Double Bearing Bracket Assemblies (Figure
4 items 4, 5 & 6) by removing Hex Head Cap Screws (Figure 5 item 10 ) and Hex Nuts Figure 5 item 13) using a
1/2" wrench.
NOTE: Save Hex Head Cap Screws (Figure 5 item 10) and Hex Nuts Figure 5 item 13)
7.2.2 Remove the 3/8‐16 x 1” Hex Head Cap Screws (Figure 4 item 10) and 3/8” Washer (Figure 4 item 14) from the
Left Single Bearing Bracket Assembly (Figure 4 item 4 )with a 9/16” wrench.
7.2.3 Remove the Chain (Figure 4 item 15) from the Sprocket (Figure 4 item 2) of Left Single Bearing Bracket
Assembly (Figure 4 item 4) and the Double Sprocket (Figure 6 item 3) of the Double Bearing Bracket Assembly
(Figure 4 item 6)
7.2.4 Place the Left Single Bearing Bracket Assembly (Figure 4 item 4) on the table
7.2.5 Remove the center and outermost 3/8‐16 x 1” Hex Head Cap Screws (Figure 4 item 10) and 3/8” Washer (Figure
4 item 14) from the Right Single Bearing Bracket Assembly (Figure 4 item 4 )with a 9/16” wrench.
7.2.6 Tilt the Right Single Bearing Bracket Assemblies inward toward the Double Bearing Bracket Assembly (Figure 4
item 6)
7.2.7 Remove the Drive Chain (Figure 4 item 15) from the Sprocket (Figure 4 item 2) of the Right Single Bearing
Bracket Assemblies (Figure 4 item 4) and the Double Sprocket (Figure 6 item 3) of the Double Bearing Bracket
Assembly (Figure 4 item 6).
7.2.8 Install the new Drive Chain (Figure 4 item 15) onto the Sprocket (Figure 4 item 2) of the Right Single Bearing
Bracket Assemblies (Figure 4 item 4) and the Double Sprocket (Figure 6 item 3) of the Double Bearing Bracket
Assembly (Figure 4 item 6).
7.2.9 Move the Single Bearing Bracket (Figure 4 item 5) into position on the backside of Saddle (Figure 4 item 1),
while moving Ring Gear (Figure 4 item 3) as needed so the teeth of the Pinion Gear (Figure 5 item 3) of the Right
Single Bearing Bracket Assembly (Figure 4 item 4) mesh with the teeth of the Ring Gear (Figure 4 item 1)
7.2.10 Reinstall the center and outermost 3/8‐16 x 1” Hex Head Cap Screws (Figure 4 item 10) and 3/8” Washer
(Figure 4 item 14) into the Right Single Bearing Bracket Assembly (Figure 4 item 4 ) and thread into Saddle
(Figure 4 item 1)
7.2.11 Adjust the Pinion Gear (Figure 5 item 3) of the Right Single Bearing Bracket Assembly (Figure 4 item 4 ) so there
is .005” to .007” gap between the Pinion Gear (Figure 5 item 3) and the teeth of Ring Gear (Figure 4 item 3).