Graco 334128A User Manual

Repair Kit

Check-Mate® 800

Throat Seal Kits

For replacing throat seal kits. For professional use only.

Important Safety Instructions

Read all warnings and instructions in this manual. Save these
instructions.

Kit No. 24V752
Kit No. 24V753

334128A

EN

PROVEN QUALITY. LEADING TECHNOLOGY.

Replace Throat Packings

Note

The throat packings are available as a
preassembled kit.

6. If necessary, use an arbor press to install o-ring
(6) in packing housing (4).

7. Screw the packing nut (N) and packing housing
(4) into the outlet housing (H). Torque to 150 ±
30 ft-lb (203 ± 41 N•m ).

Pump Part No.

24W152 24V752
24W153 24V753
24W150 24V752
24W151 24V753

1. Relieve the pressure. See

Procedure

2. Unscrew the packingnut (N) using a pipe wrench.
Remove the o-ring (6) and washer (5) from the
bottom of the packing housing (4) or from the
outlet housing (H).

3. Place the flats of the packing nut (N) in a v is e.
Unscrew the packing housing (4) and discard it
and the packings. Remove the washer (3), seal
(2), and backup washer (1) from the packing nut.

4. The throat repair kit is preassembled. Screw the
kit into the packing nut (N), making sure that the
backup washer (1), seal (2), and washer (3) are
properly positioned on top of the packing housing
(4), with the lips of the seal facing down. Torque
the packing housing (4) to 225 ±1 0 ft-lb (305 ±
14 N•m).

in t he pump manual 334127.

Throat Seal Repair
Kit

Pressure Relief

Figure 1 Throat Packings

Torque t o 225 ± 10 ft-lb (305 ± 14 N•m).

1

Torque to 150 ± 30 ft-lb (203 ± 41 N•m).

2

Lips of u-cup packing must face down.

3

5. Before installing packing housing into pump,
generously lubricate seals with high temperature
grease supplied with repair kit.

2

334128A