
04/17
Model 7778B
Page 2 of 4
LOCATION OF UNIT:
The Model 7778B Eye/Face Wash should be installed in close
proximity to potential accident areas. It should be clearly identified, free from
obstructions and easy to access.
SUPPLY LINE:
The minimum recommended line size is 1/2” IPS with 30-90 psi (2-6
ATM) flowing pressure. Where sediment or mineral content is a problem, an inlet filter
is recommended.
PLUMBING CONNECTIONS:
Inlet supply is female 1/2” IPS. Waste outlet is 1-1/4”
IPS.
TROUBLESHOOTING
PROBLEM
REPAIR CHECKLIST
1. No flow.
1.
Check the main shut-off valve.
2. Insufficient water flow.
2. a. Verify minimum 30psi flowing supply
line pressure.
b. Probable clogging of flow control
due to inadequate line flushing.
Unscrew eye/face wash head and
remove the four screws to
disassemble head. Clean flow
control and reassemble head.
3. Eye/face wash streams do not
meet desired eye level.
3.
Possible blocked flow control, see
above solution. Possible non-leveled
eye/face wash assembly.
4. Water does not drain properly.
4.
Check the main waste line of your
building to see if it does handle the
capacity required for the entire
drainage system.
For more information about Haws products see our website:
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