Graco 311536B, 241782 & 253545 Check-Mate 800 Throat Packing Repair Kits, Parts and Accessories Owner's Manual

GENUINE GRACO PARTS AND ACCESSORIES
Important Safety Instructions
Read all warnings and instructions in manual 308570.
Save those instructions.
241782 & 253545 Check-Mate 800™
Throat Packing Repair Kits
311536B
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the
Pressure Relief Procedure. See Instruction Manual 308570.
KIT 241782, Series B
Ref No. Part No.
Description
7
Qty.
1
190585
NUT, packing
1
2
113021
PACKING, u-cup
2
4
106258
PACKING, o-ring
1
6
19Y495
WASHER, rod scraper
1
7
19Y496
WASHER, seal back-up
1
8
19Y497
WASHER, scraper
1
 Apply Lubrication
 Torque to 97-106 N.m (71-78 ft-lb)
† Torque to 190-217 N.m (140-160 ft-lb) when
installing the wetcup assembly back into the pump.
Lips of u-cup packings must face down
Kit 241782
2
1
8
2
See Installation Instructions on Reverse Side.
Ref No. Part No.
Description
4
6
Kit 253545, Series B
Qty.
1
190585
NUT, packing
1
2
120286
PACKING, u-cup
2
4
106258
PACKING, o-ring
1
6
19Y495
WASHER, rod scraper
1
7
19Y496
WASHER, seal back-up
1
8
19Y498
WASHER, scraper
1
10
115982
LUBRICANT, synthetic
 Apply Lubrication
 Torque to 305 +/- 14 N.m (225 +/- 10 ft-lb)
† Torque to 190-217 N.m (140-160 ft-lb) when
installing the wetcup assembly back into the pump.
Lips of u-cup packings must face down
7
Kit 253545
2
1
10 (pack area with
lubricant)
8
2
See Installation Instructions on Reverse Side.
6
4
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
311536 Rev. B 11/2019
Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001
311536B
1
Installation
6. Remove the coupling nut/wet cup assembly with the
It will take approximately 30 - 45 minutes to change
large channel lock. Be sure that the o-ring seal on the
throat packings on a warm Therm-O-Flow unit. The only
bottom of the assembly comes out.
tools needed are a large slip-joint pliers, a small slip-joint
pliers and an adjustable wrench. WEAR LEATHER
GLOVES, PROTECTIVE SLEEVES AND EYE PROIt may be necessary to loosen the top screws on
TECTION WHEN WORKING ON WARM UNIT!
the pump heat shroud to remove and install this
assembly.
1. While the pump and follower plate are hot, raise the
follower plate from the surface of the material, but
not out of the drum. Open the pump bleed port or 7. Remove the old packing assembly, clean off the
trigger the gun and pump as much adhesive out of
shaft, wet cup and threaded area. Lubricate the shaft
the pump as possible. Keep the bleed port open to
with lithium grease.
be sure all pressure is relieved.
8. Install new packing kit 241782 or 253545. If you have
2. If a lot of material has collected in the wet cup, clean
a series A pump that was built before May 1999, you
it out so it does not restrict the shaft.
will also need to replace the packing nut with part no.
237799.
3. Disconnect the air motor from the pump connector
rod using small slip-joint pliers and the adjustable
9. Reassemble the wet cup. Reconnect the pump to the
wrench. Remove the coupler nut.
air motor plunger. Keep hands clear of moving
parts. In order for the nut to catch the threads it may
4. Retain the half-moon shaped shims from the coupler
be necessary to raise the pump-lower shaft. Don’t
nut. These must be reinstalled when you reassemble
forget to reinstall the shims. Refill the wet cup with
the pump.
throat seal liquid. Lower the platen to the surface of
the material, prime the pump to complete the proce5. Jog the air motor to force the pump plunger into the
dure.
down position, then slowly raise the air motor plunger
rod. Keep hands clear of the moving parts. The
The tolerances on the Check-Mate pump are very
plunger should disconnect from the air motor. Allow
tight to prevent leaking. If the assembly cools down
the air motor to reach the top of its stroke and shut off
too much, it will be too tight to reinstall on the shaft.
the air. Lock off the air motor control ball valve.
Should this happen, re-warm the assembly in an
oven, or by placing it on the warm platen for a while
before attempting to reassemble the pump.
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.
MM 311536
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
www.graco.com
Printed in USA 311536B
Revision B, November 2019

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