3M 3M-Matic S-857, Instructions And Parts List

Page: 21 / 45

18
Maintenance
WARNING – Turn "Off" main air supply
at on/off valve and disconnect air
supply line before beginning any
maintenance. Failure to disconnect air
supply line could result in severe personal
injury.
1. Release latch and open cover on right side of
S-857.
2. Remove and retain two screws (A), washers
(AA) and blade guard (B).
3. Wrap old blade cutting teeth with tape to help
prevent injury.
4. Remove and retain blade screw (C), plain
washer (D) and blade and discard old blade.
5. Wrap tape around replacement blade teeth
before installing.
6. Install blade as shown with beveled side of
blade toward blade guard. Be sure blade is
seated fully against blade stop and then tighten
screw (C).
7. Remove tape from blade and replace blade
guard (B) using screws (A) and plain washers
(AA). Tighten screws.
8. Close and secure cover and connect/turn on
main air supply.
WARNING – Use care when working
near knife blade as blade is extremely
sharp. If care is not taken, severe injury to
personnel could result.
Blade Replacement
Refer to Figure 6-1
Figure 6-1 – Blade Replacement – Right Side View
Air Line Filter
Refer to Figure 2-5. The air filter supplied with the
S-857 is equipped with an automatic drain. No
maintenance is required.
Air Line Lubricator
Refer to Figure 2-5.
Fill air lubricator weeky or as required. Unscrew
bowl and fill to 1/2 inch [12 mm] from top of bowl
with U.S.P. heavy mineral oil or SAE #5 or #10 non-
detergent oil.