Graco Inc 218938, 223660, 307-730, PT2000 manual

APPLICATION EQUIPMENT FROM GRACO
INSTRUCTIONS-PARTS LIST 307–730
Rev G
Supersedes E
(and F , not published)
1/4 Gallon Per Minute, 120 V AC, 60 Hz
PT2000
Pressure Roller System
250 psi (17.5 bar) MAXIMUM WORKING PRESSURE
Model 218–938, Series B
with 18 inch Extension and 1/2 and 3/4 inch nap Roller Covers
Model 223–660, Series A
Basic Pressure Roller , without hose, gun, extension or roller
U.S. Patent No. 4,722,230; 4,652,024
Foreign Patents Pending
CONTENTS
Terms 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . .
System Description 5. . . . . . . . . . . . . . . .
Setup 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 7 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 7 . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
Flushing 8
. . . . . . . . . . . . . . . . . . . . . . .
Roller Cover 9. . . . . . . . . . . . . . . . . . .
Troubleshooting Chart 10. . . . . . . . . . . .
Repair
Roller
V alve 11. . . . . . . . . . . . . . . . . . .
Fuse 12 . . . . . . . . . . . . . . . . . . . . . . . . .
ON/OFF Switch 12. . . . . . . . . . . . . . .
Rectifier 12 . . . . . . . . . . . . . . . . . . . . . .
Power Supply Cord 12. . . . . . . . . . . .
Pressure Switch 13. . . . . . . . . . . . . . .
Outlet V alve 13. . . . . . . . . . . . . . . . . . .
Inlet V alve 13. . . . . . . . . . . . . . . . . . . .
Diaphragm 14 . . . . . . . . . . . . . . . . . . . .
Suction T ube 14. . . . . . . . . . . . . . . . . .
Priming V alve & T ube 14. . . . . . . . . .
Motor, Conn Rod, Bearing 15. . . . . .
Parts Drawing & Lists 16. . . . . . . . . . . . .
Accessories 19 . . . . . . . . . . . . . . . . . . . . .
Technical Data 20. . . . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1985, GRACO INC.
Always Professional Results 
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.

Model 218–938 shown