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Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com
NOTICE: USE ONLY the designated sprinkler wrenches shown in this document. Permanent damage to
the sprinkler assembly can occur if the proper wrench is not used. Other sprinkler wrenches available
from Viking may fit into the sprinkler adapter cup; however, only the wrenches shown here are designed
to properly install this sprinkler.
Step 1:
Remove the protective cap.
Form No. F_092121
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Step 2:
Insert the wrench into
the sprinkler adapter.
NOTE: Image is representative only. Actual product may vary.
Figure 6: Using the Sprinkler Wrench
Install the cover plate by inserting
the adpater (D) into the adapter
cup (C) and pushing or threading
into place (depending on style).
Snug the cover plate in place
by rotating clockwise. Ensure
the cover plate is flush with the
ceiling as shown to allow airflow
through the sprinkler assembly.
Minimum
NOTE: Image is representative only. Actual product may vary.
Figure 7: Installing the Cover Plate
April 2023
QUICK RESPONSE
CONCEALED PENDENT
SPRINKLER VK4621 (K5.6)
Rotate the wrench slightly in either direction
until the tines on the wrench (A) line up with
the vent openings (B) on the adapter cup and
lock into place. NOTE: A leak tight seal must
be achieved. Turn the sprinkler clockwise
1 to 1-1/2 turns past finger-tight.
A
B
Maximum
Replaces Form No. F_092121 Rev 22.1
(Replaced wrench 24339 with 23143; replaced protective cap.)
Page 8 of 8
STANDARD AND
Step 3:
A
C
D
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