94
Section 4 - General Maintenance
4.9 Rupture Disc Replacement
If a rupture disc bursts, find and correct the prob
-
lem that caused excessive pressure, then use the
following procedure to replace the rupture disc.
Refer to the drawing at the bottom of this page
for additional reference.
Replacing the rupture disc:
1. Make sure the water blasting system is shut-
down with the truck in the service position.
2. Use two wrenches, one to prevent the base
from turning and the other to turn the rupture
disc cap, to remove the rupture disc cap as-
sembly from the base.
3. Remove the hold down ring from the base
(Item 4 in drawing below) and set it in a clean,
safe location.
4. Remove the blown rupture disc.
5. Insert a new rupture disc into the base as-
sembly. Be sure it is the same pressure rating
as the one being replaced.
6. Place the hold down ring on top of the rupture
disc.
7. Install the rupture disc cap assembly on the
base and tighten to specification.
Typical Rupture Disc On Manual By-Pass Valve
#
DESCRIPTION
1
O-ring
2
Base 40K Male Port
9/16” High Pressure Male
3
Rupture Disc
4
Hold Down Ring
5
Cap
Rupture Disc & Holder Assembly
Typical Rupture Disc Rating
Summary of Contents for SK5500
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Page 80: ...80 NOTES...
Page 135: ...135 Section 5 Scheduled Maintenance Hog Technologies...
Page 141: ...141 Appendix 2 Tools Spare Parts...
Page 142: ...142 Appendix 2 Tools Spare Parts...
Page 143: ...143 Appendix 3 Daily Report Pre Op Checklist 1 877 HOG ROAD WWW STRIPEHOGSUPPORT COM...
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