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Pistons & Metering Tubes
312393G 39 of 50
To install a new Piston or Piston/Cylinder
Replacement Kit:
1. Drain the machine pistons by instigating several
shots with either the tank ball valves closed (if
installed), or by activating enough shots to empty
the tanks.
2. To prevent machine movement, press
(red).
3. Remove the pump end caps (item 8 of figure 46)
by removing the 4 end cap screws (item 6 of
figure 46). Allow the cap to hang by the hose.
4. Remove the cylinder and Orings (items 1 and 6 of
figure 50) from the pump housing (item 7 of figure
46) and pump cap.
5. Select an operating mode, then fully extend the
pistons by activating the
option in the M1
screen.
6. To prevent machine movement, press
(red).
7. Remove the existing piston (1) and any front or
rear washers (items 3 & 4 of figure 50) from the
pump shaft (item 11 of figure 46) by removing the
piston screw (2). A wrench will be required near
the drive block to prevent the pump shaft from
rotating while the screw is removed.
8. Install the new piston and any rear or front
washers, by re-installing the piston screw into the
pump shaft. When tightening the piston screw,
tighten the screw until the piston stops rotating,
then turn the screw an additional ¼ turn.
9. Select an operating mode, then retract the
pistons by pressing
in the M1 screen.
10. To prevent machine movement, press
(red).
11. Lubricate the new o-rings with a high temperature
grease, Graco P/N 115982 or equivalent. Place
the lubricated o-rings into the inside circle
placements in the pump housing and pump end
caps.
12. Install the cylinder between the pump housing
and end cap, then secure the cylinder and Orings
by re-attaching the 4 end cap screws (item 6 of
figure 46).
13. Open the tank ball valves (if installed) or put more
material into the tanks.
14. Instigate several shot to fill the pump with new
material.
15. Re-calibrate the machine, due to the procedure
performed.
NYLON PISTONS (SEE FIGURE 50)
Tube Piston
Frt.
Washer
Back
Washer
Screw O-ring
Part No. Rev. Series Area Item 1 Item 2 Item 3 Item 4 Item 5 Item 6
LC1080 A A 80 LCC080 LCB080 15M089 NOT REQ
120933 120874
LC1100 A A 100 LCC100 LCB 100 15M089 NOT REQ
LC1120 A A 120 LCC120 LCB 120 NOT REQ NOT REQ
LC1140 A A 140 LCC 140 LCB 140 NOT REQ NOT REQ
LC1160 A A 160 LCC 160 LCB 160 15M099 15K887
LC1180 A A 180 LCC 180 LCB 180 15M099 15K887
LC1200 A A 200 LCC 200 LCB 200 15M099 15K887
LC1220 A A 220 LCC 220 LCB 220 15M099 15K887
LC1240 A A 240 LCC 240 LCB 240 15M100 15K887
LC1260 A A 260 LCC 260 LCB 260 15M100 15K887
LC1280 A A 280 LCC 280 LCB 280 15M100 15K887
LC1300 A A 300 LCC 300 LCB 300 15M100 15K887
LC1320 A A 320 LCC 320 LCB 320 15M100 15K888
LC1360 A A 360 LCC 360 LCB 360 15M100 15K888
LC1400 A A 400 LCC 400 LCB 400 15M100 15K888
LC1440 A A 440 LCC 440 LCB 440 15M100 15K888
LC1480 A A 480 LCC 480 LCB 480 15M100 15K888
LC1520 A A 520 LCC 520 LCB 520 15M100 15K888
LC1560 A A 560 LCC 560 LCB 560 15M101 15K888
LC1600 A A 600 LCC 600 LCB 600 15M101 15K888
LC1640 A A 640 LCC 640 LCB 640 15M101 15K890
LC1720 A A 720 LCC 720 LCB 720 15M101 15K890
LC1800 A A 800 LCC 800 LCB 800 15M101 15K890
LC1880 A A 880 LCC 880 LCB 880 15M101 15K890
LC1960 A A 960 LCC 960 LCB 960 15M101 15K890