Graco 334128B, Check-Mate 800 Throat Seal Kits, Repair Kit Instructions

Instructions
Check-Mate® 800
Throat Seal Kits
334128B
EN
For replacing seals, packings, and packing nut for Check-Mater 800 displacement pumps.
For professional use only.
Kits 24V752 and 24V753
Important Safety Instructions
Read all warnings and instructions in this
manual and your pump manual before
using the equipment. Save these
instructions.
Related Manuals
The following manuals are available at www.graco.com.
Manual in
English
Description
334127
Check-Mate® 800 Displacement Pump
(long shaft), Operation
334128
Check-Mate® 800 Displacement Pump
(long shaft), Repair-Parts
Replace Throat Packings
Replace Throat Packings
WARNING
5. Before installing packing housing into pump,
generously lubricate seals with high temperature
grease supplied with repair kit.
6. Before installing packing housing into pump,
generously lubricate seals with high temperature
grease supplied with repair kit.
PRESSURIZED FLUID HAZARD
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure in your pump operation manual when you
stop pumping and before cleaning, checking or
servicing the equipment.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the
work area to help prevent serious injury, including eye
injury, hearing loss, inhalation of toxic fumes, and
burns.
NOTE: The throat packings are available as a
pre-assembled kit.
Pump
Throat Seal Repair Kit
24W152
24W153
24W150
24W151
24V752
24V753
24V752
24V753
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).
N
1
2
3
2
4
5
6
H
1. Follow the Pressure Relief Procedure in your pump
operation manual.
2. Unscrew the packing nut (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 vise.
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.
WLD
1
Torque to 225 ± 10 ft-lb (305 ± 14 N•m).
2
Torque to 150 ± 30 ft-lb (203 ± 41 N•m).
3
Lips of u-cup must face down.
4. The throat repair kit is pre-assembled. 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 ±10 ft-lb (305 ± 14 N•m).
2
334128B
Parts
Parts
Carbon-Filled Pump Seal Kit, 24V752
Glass-Filled Pump Seal Kit, 24V753
Ref.
Part
1
2
195233 WASHER, seal, back-up
120286 PACKING, u-cup 
(assembly 24W152 only)
113021 PACKING, u-cup 
(assembly 24W153 only)
195234 WASHER, scraper, 1.476 x 2.157
190585 NUT, packing
195232 WASHER, rod scraper
104537 PACKING, o-ring, PTFE
16M106 LUBRICANT, tube, 1 oz
(not shown)
1
3
4
5
6
7
2
3
3
3
2
2
Description
Qty.
1
2
2
1
1
1
1
1
4
5
6
2
Torque to 150 ± 30 ft-lb (203 ± 41 N•m).
3
Lips of u-cup must face down.
334128B
3
Graco Information
Sealant and Adhesive Dispensing Equipment
For the latest information about Graco products, visit www.graco.com.
For patent information, see www.graco.com/patents.
TO PLACE AN ORDER, contact your Graco distributor, go to www.graco.com, or call to identify the nearest
distributor.
If calling from the USA: 1-800-746-1334
If calling from outside the USA: 0-1-330-966-3000
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Original instructions. This manual contains English. MM 334128
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2020, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
www.graco.com
Revision B, May 2020

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project