© Titan Tool Inc. All rights reserved.
23
Pressure Switch Replacement
WARNING: Before proceeding, follow the Pressure
Relief Procedure outlined on page 5. Additionally, fol-
low all other warnings to reduce the risk of an injection
injury, injury from moving parts or electric shock.
1. Remove socket head cap screws.
2. Remove electrical cover plate #60 (on pg. 20), located
near pressure switch and disconnect two red wires from
clutch starter #58 (on pg. 20).
3. Remove screw #27 (on pg. 20) from pressure switch
adjustment knob and slide knob off.
4. Remove screw #27 (on pg. 20) located on side of gear
box housing #53 (on pg. 20) and using a 1/8" allen
wrench remove set screw #56 (on pg. 20), until pressure
switch #3 is able to slide down through. Feed electrical
wires down at the same time.
5. Insert new switch assembly #3 into housing while
carefully working the wires into the switch box. Using
needle nose pliers, reconnect wires to motor starter.
6. Making sure that the switch assembly is fully inserted,
tighten set screw #56 (on pg. 20) with a 1/8" allen wrench
until the switch assembly is secure. Reattach adjustment
knob #26 (on pg. 20).
7. Inspect O-Rings #4 and #5 on switch assembly.
8. Install insulator plate #66 (on pg. 20) and plate #60 (on
pg. 20).
9. The pressure switch is factory calibrated so no
adjustment is required.
Service / Replacement of the Pressure
Relief Prime Valve
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. Additionally, follow all
other warnings to reduce the risk of an injection injury,
injury from moving parts or electric shock.
1. Remove the Dowel Pin #17 from Bypass Valve Handle
#18.
2. Remove Handle #18 and Bypass Cam #16.
3. Using a wrench, loosen Bypass Housing #11 and
unscrew.
4. Unscrew Bypass Retainer #15 and remove Bypass Valve
Stem #13.
5. Inspect ball on end of Stem #13 and O-Ring #12. Clean
or replace if worn.
6. Screw completed assembly into Filter Block #25. Tighten
securely with wrench.
7. Install Bypass Cam #16 over Bypass Retainer #15,
lubricate with grease. Line up Dowel Pin #17 on Cam
#18 with hole on Filter Block #25.
8. Using Dowel Pin #17 line up Stem #13 with hole on
Handle #18. Secure Handle with Dowel Pin #17.
9. IMPORTANT: If Handle #18 rotates 360° check Pin on
Cam #16.
Service / Replacement of Filter
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. Additionally, follow all
other warnings to reduce the risk of an injection injury,
injury from moving parts or electric shock.
Pump Filter
1. Unscrew Filter Housing #21.
2. Remove Filter Cartridge #22. Clean or replace.
3. Inspect O-Ring #24. Clean or replace.
4. Reattach Filter Housing #21.
Gun Filter
WARNING: Follow all safety precautions as described in
high pressure warning section before proceeding. If your
spray gun leaks or spits at the tip when you release the
trigger, the needle or seat is dirty, worn or damaged and
must be cleaned or replaced.
Replacement or Removal of Filter:
1. First pull down on trigger safety guard and swing away
from handle.
2. Unscrew handle from spray head.
3. Unscrew left hand threaded filter from spray head.
4. Screw new or cleaned filter into the head. (To reinstall left
hand thread turn counterclockwise.)
5. Reattach handle to head and secure safety trigger guard.
Figure 9
For more detail, part number information and assem-
bly drawings at larger scale, please see the SGX-20
Professional Airless Gun Owner’s Manual (#313-001).
NOTE: If filter breaks off in the head use a small
wood screw to remove.
NOTE: Left handed thread requires turning the filter
clockwise to remove.
NOTE: See also Figure 7 on page 20.
Filter Block Assembly Procedures
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Содержание PowerLiner 3100
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