TITLE:
NO.:
KEROTEST MODEL-1
REV.: 10
GATE VALVE
DATE: 7/12/07
OPERATIONS MANUAL
PAGE: 34 OF 35
This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be
copied by any means without the expressed written consent of Kerotest. It is intended for the sole purpose of helping
Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any
manner injurious to the interests of Kerotest
.
ATTACHMENT I
GATE VALVE PACKING ADAPTER REMOVAL TOOL
(REFER TO DRAWING ON PAGE 35)
The subject tool is used as follows:
1.
Depressurize the valve and close it completely. Remove the operating square, gland,
thrust washers and stem in the conventional way. Remove the o-rings from the I.D. of
the packing adapter.
2.
Install part (1) thrust pad and dowel pin (6) until it seats on the ledge below the packing.
3.
Install part (2) threaded bushing on top of part (1).
4.
Install split rings (3) on top of threaded bushing and push outward until the lower lip of
the split ring engages the adapter o-ring groove.
5.
Install ring (4) around O.D. of split ring.
6.
Thread in cap screw (5) until it bottoms on the thrust pad (1). Continued tightening of
the screw will cause the bushing (2) to rise up against the split ring and lift the split ring
and adapter up out of the valve. Discard packing adapter.
7.
Remove entire tool. Remove packing. Clean counterbores. Install new adapter with
new o-rings on both the I.D. and O.D. of adapter.
8.
Reassemble valve in conventional manner and place back in service per standard
procedures.
PACKING REMOVAL TOOL KIT PART NUMBERS
Valve Size
Part Number
2" – 3"
88377692
4"
88377718
6" – 8"
88377742
10" – 12"
88377700
