ErgoAV ERMCM1-01B Manuel d'instruction - Page 11

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3A-3

3A-4

Step 3B Solid Concrete Ceiling Option

WARNING:

●

To avoid personal injury or property damage, Do Not over-tighten the Lag

Screws [A1]. Using a self-supplied Socket Wrench, tighten the Lag Screws [A1]

only until they are pulled ﬁrmly against the Ceiling Plate and ceiling.

● Ensure the Ceiling Plate is securely fastened to the ceiling

before continuing to the next step.

● Mount the Ceiling Plate [02] directly onto the concrete

surface without any covering.

● The thickness of the ceiling must exceed 5 1/2" (140mm).

● Do not use a drill for tightening the lag screws! Only use a socket wrench.

Electric Drill

(NOT Included)

CAUTION:

DO NOT drill the holes at the

edge of the ceiling joist. Make

sure the holes are drilled on the

center location of the ceiling joist.

Drill 4 pilot holes using a 7/32"

(5.5mm) diameter drill bit. Make

sure the depth of the pilot holes

is at least 2 3/4" (70mm) deep.

CAUTION: DO NOT use a drill to

tighten the Lag Screws. Only use

a Socket Wrench.

Install the Ceiling Plate [02] using

Lag Screws [A1]. Tighten the Lag

Screws [A1] only until they are

pulled ﬁrmly against the Ceiling

Plate. DO NOT over-tighten the

Lag Screws.

2 3/4" (70mm)

7/32" (5.5mm)

1/2" (13mm)

Socket Wrench

(NOT Included)

Anchor