Graco 3A1203B User Manual

Instructions/Parts

Flat Line Spray Systems Kits

Heated or non-heated fluid circulation kits for Merkur®, Merkur® Bellows, and NXT® Dura-Flo™ Pumps. For professional use only.

Maximum Fluid Working Pressure: see Technical Data on page 19. Pump pressure must not exceed this pressure.

Important Safety Instructions

Read all warnings and instructions in this manual and your separate pump, heater, and component manuals. Save these instructions.

3A1203B

Heated Merkur Kit (pump is not included)

ti16203a

Heated Merkur Bellows Kit (pump is not included)

ti16206a

Contents

24F592 Merkur Non-Heated Circulation Kit . . . . . . 4

24F592 Kit Parts . . . . . . . . . . . . . . . . . . . . . . . . . 4

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

24F595 Merkur Bellows Non-Heated Circulation Kit

24F595 Kit Parts . . . . . . . . . . . . . . . . . . . . . . . . . 6

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

24F590 (120V) and 24F591 (240V) Merkur Heated

Circulation Kit . . . . . . . . . . . . . . . . . . . . . . . . . . 9

24F590 and 24F591 Kit Parts . . . . . . . . . . . . . . . 9

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

24F593 (120V) and 24F594 (240V) Merkur Bellows

Heated Circulation Kit . . . . . . . . . . . . . . . . . . . 13

24F593 and 24F594 Kit Parts . . . . . . . . . . . . . . 13

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

G25NXT and G45NXT Dura-Flo Pump . . . . . . . . . 16

G25NXT and G45NXT Kit Parts . . . . . . . . . . . . 16

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Wall Bracket Mounting Hole Diagrams . . . . . . . . 17

Kit Mounting Bracket Diagrams . . . . . . . . . . . . . . 18

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 20

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 20

2 3A1203B

3A1203B 3

24F592 Merkur Non-Heated Circulation Kit

24F592 Kit Parts

Ref. Part No. Description Qty

5 222200 VALVE, back pressure; see 307892 1 6 168160 BUSHING; 3/8 npt(m) x 1/4 npt(f) 1 8 114339 SWIVEL, straight; 1/4 npt(m) x 1/4

npsm(f) 9 113070 NIPPLE, reducer; 3/8 npt x 1/4 npt 1 12 502851 BUSHING; 1 in. npt(m) x 3/4 npt(f) 1 13 15V521 ADAPTER, swivel, 90°; 1 in. npt(m)

x 1 in. npsm(f) x 1/4 npt(f) 14 113834 VALVE, ball, 3-way; 1/4 npt(m) 1 15 239062 HOSE; 1/4 npsm(f); nylon 1 16 256424 KIT, suction hose; with strainer 1 17 236892 SWIVEL, straight; 1/2 npt(m) x 3/8

npsm(f) 18 24B299 BUSHING; 3/4 npt(f) x 1/2 npt(m) 1 19 119400 PIPE SEALANT; 2 ml 2 20 114593 KNOB 1 22 24F658 KIT, fluid filter; see 307273 1

Mounting

Mount the pump as explained in your separate pump manual.

3. Assemble the knob (20), reducer nipple (9), bushing (6), and the male end of the swivel (8) to the back pressure valve (5). Screw the swivel (8) onto the middle threads of the 3-way valve.

4. Attach the fluid filter kit (22) as follows:

a. On pumps with a 3/8 npt fluid outlet, screw the

female end of the swivel (17) onto the pump out-

5. Ground the pump as explained in your separate

let fitting. Screw the fluid filter kit (22) inlet onto the male end of the swivel. The bushing (18) is not needed.

b. On pumps with a 3/4 npt fluid outlet, screw the

female end of the bushing (18) onto the pump outlet fitting. Screw the fluid filter kit (22) inlet onto the male end of the bushing. The swivel (17) is not needed.

c. On pumps with a 1/2 npt fluid outlet, screw the

fluid filter kit (22) inlet directly onto the pump outlet fitting. The swivel (17) and bushing (18) are not needed.

pump manual.

Installation

NOTE: Apply pipe sealant (19) to all non-swiveling

threads.

NOTE: On pumps with a 3/4 npt fluid inlet, use bushing (12) to allow connection of the swivel adapter (13).

1. See F

2. Screw one branch of the 3-way valve (14) into the

IG. 1. Assemble the bushing (12, if needed)

and swivel adapter (13) to the pump inlet. Attach the suction hose kit (16) to the adapter.

1/4 npt port of the adapter (13). Attach the drain hose (15) to the opposite branch of the valve.

6. Connect the fluid supply line to the fitting at the fluid filter outlet.

7. Connect the fluid return line (R) to the reducer nipple (9) at the inlet of the back pressure valve (5). Use the back pressure valve to adjust fluid pressure in the circulation system.

8. Use the 3-way valve (14) to direct circulating fluid back to the pump through the adapter (13), or to a container through the drain hose (15).

9. See your separate pump manual for pump operation, maintenance, repair, and parts information.

4 3A1203B

Apply pipe sealant (19) to all non-swiveling threads.

Use bushing (12) only on pumps with 3/4 npt fluid inlet.

Use swivel (17) only on pumps with 3/8 npt fluid outlet.

Use bushing (18) only on pumps with 3/4 npt fluid outlet.

Fluid return line (not included).

Part of pump assembly (pump is not included in kit).