To turn the caulk gun ON, depress the switch trigger.
To turn the caulk gun OFF, release the switch trigger.
For continuous operation just press the lock-on button (3) on the left side
of the handle. The lock-on button can be release by pressing the switch
trigger again.
Loading caulk
Fig. 5
Description
A. Spout
B. Caulk tube
C. Plunger rod handle
D. Plunger rod
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