Graco RTX-650 Repair Manual page 13

Belt
Disassembly
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Remove Shroud, page 7.
4. Remove Motor, page 10.
5. Place motor tray (32) into vice and tighten until
snug.
6. Use 9/16 in. wrench to loosen two mounting screws
(4) on motor tray (32) to allow motor to slide around.
7. Remove old belt and discard.
311771D
ti2810b
32
ti9063a
ti9069a
ti9066a
Belt
Reassembly
1. Loop one end of belt over extension cable (29) and
pulley (17), then loop other end of belt over motor
shaft (make sure teeth of belt (24) and pulley are
aligned).
2. Insert flat screwdriver into slot on back of motor tray
(32) and use screwdriver as a lever to pull motor
(31) into position.
3. Use 9/16 in. wrench to tighten two mounting screws
(4) while keeping motor (31) in position with screw-
driver.
Once the motor is in place, you can test the belt to
make sure it is properly tightened. When you push
on the belt (24) with one finger it should move no
more than 1/4 in. If it moves more than 1/4 in., go
back to step 8 and re-tighten the belt.
4. Reassemble Motor, page 10.
5. Reassemble Shroud, page 7.
24
ti8784a
ti9073a
24
ti9071a
13