40
40
Stripe Hog Systems
and correct the problem before resuming blasting
operations.
Note:
A pressure switch in the charge water sup-
ply line near the UHP pump monitors charge
water pressure and automatically shuts
down the UHP system by disengaging the
OMSI Drive PTO if the charge water pres-
sure drops below 25 PSI (1.7 Bar.) This is a
safety feature to prevent damage to the UHP
pump from cavitation caused by low charge
water pressure.
Rupture Discs
Rupture discs are installed on the high pressure
side of the UHP pump to protect the waterblasting
system against unusually high spikes in pressure.
The discs are designed to burst and immediately
relieve pressure when the system water pressure
exceeds the disc burst pressure. If a rupture disc
bursts it will have to be replaced before water-
blasting operations can resume, therefore, you
should keep spare rupture discs of the proper
pressure rating on hand. You should test the
system at low pressure and correct the problem
that caused the disc to burst before resuming high
pressure operations.
Rupture disc burst pressure ratings are unique to
each unit and critical to operator safety. Refer to
the label on the rupture disc assembly or contact
Waterblasting Customer Service for the correct
rupture disc rating for your equipment. Never
install a rupture disc with a burst pressure rating
higher than recommended.
WARNING
EXCESSIVE PRESSURE IN THE HIGH PRESSURE BLASTING
SYSTEM CAN CAUSE EXTENSIVE DAMAGE TO EQUIPMENT
AND SEVERE INJURY OR EVEN DEATH TO PERSONNEL.
IF A RUPTURE DISC BURSTS IT USUALLY INDICATES A
PROBLEM THAT NEEDS TO BE CORRECTED BEFORE
WATERBLASTING OPERATIONS CAN RESUME. NEVER
INSTALL RUPTURE DISCS WITH A HIGHER BURST RATING
THAN RECOMMENDED.
The filters in the charge pressure line immediately
before the UHP pump remove any debris prior
to the water entering the high pressure system.
These filters prevent damage caused by debris in
the high pressure system and are critical to the
proper operation of the waterblasting system.
They should be checked frequently and replaced
Rupture Discs and Manual Bypass Valve
as necessary, typically daily or when the charge
water pressure drops below 40 PSI (2.8 Bar.) Even
the smallest debris can cause severe damage to
components in the ultra high pressure system.
Refer to the Charge Water System in this section
for information on the water filters and the pump
manufacturer’s operating manual for instructions
on operating and maintaining the Ultra High Pres-
sure Pump. You should also refer to the Stripe Hog
Training video available on DVD or online at www.
stripehogsupport.com for additional instructions
on maintaining the high pressure pump.
Each manufacturer of the major UHP waterblasting
system components provides an information and
operating manual with its product. It is extremely
important that you read the manuals and become
familiar with the proper care and operation of the
components before operating the waterblasting
system.
Rupture Disk Labels
Summary of Contents for Stripe Hog SH5000
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