Elkhart Brass Hydro-Chem Flex HC-750-FLX - Manual (Page 5)

5
III. H
YDRO
-C
HEM
®
F
LEX
M
AINTENANCE
The following maintenance procedures should be followed in order to reduce the possibility of
field difficulty or failure.
A. Inspections
Weekly visual inspections and monthly operational checks will promote proper nozzle function.
These inspections may be done daily in busy companies. All nozzles should be flow tested
before entering any hazardous environment to ensure equipment is operating properly.
B. Maintenance After Use
The nozzle should be flushed thoroughly after every use. This can be done by flowing a clean
water source through the nozzle. The internal passageway of the nozzle should also be
visually inspected for possible damage caused by foreign objects carried by the water through
the nozzle. Periodic removal of dry chemical from the adjustable center barrel is
recommended. Follow dry chemical manufacturer recommendations for maintenance and
cleaning of the dry chemical agent portion of the nozzle.
The dry chemical discharge tip and stem portions of the nozzle rotate via a cam and slot
mechanism. If these parts become difficult to turn, remove the detent screws, coil springs and
detent balls and slide apart. Clean all parts and surfaces including the cam slots. Lubricate
the cam slot with Engineered Custom Lubricants #0025 Teflon Grease or equivalent. Use
lubricant sparingly. Excess grease will attract dirt and grit and can cause interference between
close fitting parts. Reassemble and check for proper operation.
Important:
If there is a question regarding any necessary repair or damage issue, contact Elkhart Brass for
assistance.
Phone #: 800-346-0250
Email: [email protected]