Huawei SUN2000 Series User Manual page 35

SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL)
User Manual
Figure 4-12 Expansion bolt composition
(1) Expansion sleeve
Figure 4-13 Drilling a hole and installing an expansion bolt

To prevent dust inhalation or contact with eyes, wear safety goggles and an anti-dust
respirator when drilling holes.

Wipe away any dust in or around the holes and measure the hole distance. If the holes are
inaccurately positioned, drill holes again.

Level the front of the expansion sleeve with the concrete wall after removing the bolt,
spring washer, and flat washer. Otherwise, the mounting bracket will not be securely
installed on the concrete wall.
1.
2.
3.
4.
Step 4 Align the mounting bracket with the holes, insert expansion bolts into the holes through the
mounting bracket, and tighten the expansion bolts to a torque of 45 N· m using an 18 mm
socket wrench.
Issue 11 (2019-06-08)
Put a hammer drill with a Ф16 mm drill bit on a marked hole position perpendicularly
against the wall and drill holes to a depth of 52–60 mm.
Slightly tighten an expansion bolt, vertically insert it into the hole, and knock the
expansion bolt completely into the hole by using a rubber mallet.
Partially tighten the expansion bolt.
Remove the bolt, spring washer, and flat washer by rotating them counterclockwise.
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(2) Flat washer
4 System Installation
(3) Spring washer (4) Bolt
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