Installing The Mounting Pedestals And High-Speed Base - S&C 2000 Series Installation & Operation Manual

Installation
Installing the Mounting Pedestals
and High-Speed Base
Install each pedestal as follows:
Install the lower set of anchor-bolt nuts and
STEP 1 .
flat washers onto the pre-installed anchor
bolts. Level all anchor bolts to the same height,
leaving space below and above the bolt for
leveling. See Figure 3.
Install the temporary eyebolts into the holes
STEP 2 .
provided at the top of the mounting pedestal.
Attach the lifting slings to the eyebolts.
Figure 4.
Lift the pedestal over the anchor bolts. Before
STEP 3 .
lowering, make sure the grounding pad is posi-
tioned properly for the installation. Refer to
the accompanying catalog drawing for details.
Figure 4 .
Lower the pedestal onto the anchor-bolt nuts
STEP 4 .
and flat washers. Loosely secure a flat washer
and nut to each anchor bolt. See Figure 3.
Remove the lifting slings and eyebolts.
Adjust the lower set of anchor-bolt nuts to
STEP 5 .
plumb and level the pedestal. The upper set
of anchor-bolt nuts should remain loosely
attached. See Figure 3.
Attach the support arms to the mounting pedes-
STEP 6 .
tals as shown on the catalog drawing using
⅝–11×1¼-inch hex-head galvanized steel cap
screws and flat washers furnished. Torque the
cap screws to 75 ft-lbs (101.7 Nm). See Figure 1
on page 10.
Install the covers to the tops of each mounting
STEP 7 .
pedestal using ½–13×2-inch hex-head galva-
nized steel cap screws, flat washers, and
self-locking hex nuts furnished. (Not appli-
cable to 69-kV circuit-switchers with 48-inch
(122-cm) phase spacing.) Securely tighten the
cap screws.
Attach the supplied lifting angles to the high-
STEP 8 .
speed base using the ½–12×1¼-inch hex-head
galvanized steel cap screws furnished. See
Figure 5. Securely tighten the cap screws, and
then attach four suitable lifting slings to the
lifting angles.
12 S&C Instruction Sheet 716-504
Anchor bolts
Figure 3 . Pedestal anchor-bolt mounting detail .
Figure 4 . Lifting the pedestal into position .
Hoist the high-speed base using a crane.
Interrupter lifting bracket
Interrupter
shipping bracket
and clamps
Figure 5 . Hoisting the high-speed base using a crane .
.
Pedestal
Eye bolts
Grounding pad
Lifting angle
Two nuts and two
flat washers provide
leveling means
Concrete pad
Protective cover at pole-
unit Mounting position.
POSITION
indicator