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INSTALLATION & OPERATING INSTRUCTIONS
1)
Remove the seven cheese head screws (item #19) that secure the two halves of the housing together. Remove
housings (items #1 and #2).
2)
Remove the cap (item #13), springs (items #21 and #15), and ball (item #16).
3)
With a hooked screw driver, pull seat (#17) & o-ring (#18) out. Pull control bolt (#10) out. You may have to pick
o-ring (#18) out of the valve body (#5) with a small hooked instrument.
4)
Grease o-ring (#18) & control bolt (#10) & insert back into valve body (#15). Make sure it slides easily. Put o-ring
(#18) on seat (#17) & push into place.
5)
Assemble in reverse order.
WARNING:
DO NOT USE ACID CONCENTRATES THROUGH GUN
WARNING:
NEVER SECURE THE SHUT-OFF GUN IN AN OPEN POSITION (TRIGGER PULLED BACK) BY
MEANS OTHER THAN THE OPERATOR'S HAND, ETC. BODILY HARM MAY OCCUR IF THE
OPERATOR LOSES CONTROL OF THE SHUT-OFF GUN.
CAUTION:
ALWAYS ENGAGE TRIGGER LOCKING MECHANISM (ITEM #11) WHEN NOT IN USE.
Giant Industries, Inc.
900 N. Westwood Ave.
Toledo, Ohio 43607
Phone: 419-531-4600 Fax: 419-531-6836
www.giantpumps.com
Copyright 2019 Giant Industries, Inc.
DISASSEMBLY OF THE 21200 SERIES
02/19 21290C.indd
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