ETC Source Four jr, Руководство пользователя

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7
Adjusting the C-clamp
The C-clamp attaches the fixture to the mounting pipe and allows you to adjust the position of the
fixture once it is mounted (see Figure 9 ).
Step 1: Tightly fasten the C-clamp to the yoke with the provided yoke bolt and lock washer.
Step 2: Place the C-clamp on mounting pipe, then tighten the pipe bolt to secure it.
Step 3: Loosen the C-clamp pan screw and rotate the yoke to the desired position.
Step 4: Tighten the pan screw to lock the fixture.
Adjusting the yoke position
The Source Four jr / jr Zoom provide multi-positioning capabilities within its yoke for overall fixture
height and angle.
Setting the fixture height within the yoke
The fixture is equipped with a two-position yoke for modifying the overall height in which the fixture
is mounted (see Figure 10 ). To change the height position, perform the following steps.
Step 1: Remove the yoke locking knobs, washers, and hex bolts from either side of the fixture.
Step 2: Raise or lower the fixture to the desired position within the yoke.
Step 3: Reinstall the yoke’s hex bolts, washers, and locking knobs.
Step 4: Tighten the yoke knobs to secure in position.
C A U T I O N :
Tighten C-clamp pipe bolt to 15-20 ft./lbs. (approximately finger tight plus up to
one-quarter turn). Do not exceed 25 ft./lbs. Do not use excessive force.
Tighten the yoke pivot bolt to 5-10 ft./lbs. (approximately finger tight plus up to
one-eighth turn). Do not exceed 15 ft./lbs. Do not use excessive force.
E T
C
C-clamp
Pipe bolt
Pan screw
Yoke bolt and
lockwasher
Figure 9
Yoke
Figure 10
Low clearance position General use position
Yoke locking knob
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