Vestil WP Series Instruction Manual page 8

Table of Contents
FIG. 3: Center of Gravity
Diagram
Vertical center of gravity (A)
calculated from bottom
platform floor
A: Vertical center
Model
of gravity in
inches (~cm)
WP-3636 15.9 (40.4cm)
WP-3648 15.4 (39.1cm)
WP-4848 14.5 (36.8cm)
WP-4848-FF 14.5 (36.8cm)
WP-3636-84B 19.9 (50.5cm)
WP-3648-84B 18.9 (48.0cm)
WP-4848-84B 18.0 (45.7cm)
SP-175 11.4 (29.0cm)
FIG. 4: Mast Guard Hinge
Upper mast
guard
Lower mast
guard
Table of Contents
Rev. 4/3/2020
of
B: Horizontal
center of gravity
in inches (~cm)
15.0 (38.1cm)
20.6 (52.3cm)
20.6 (52.3cm)
20.6 (52.3cm)
14.1 (35.8cm)
19.5 (49.3cm)
19.5 (49.3cm)
16.8 (42.5cm)
Connection
bottom portions of mast guard.
Copyright 2020 Vestil Manufacturing Co.
Horizontal center of gravity
(B) measured from back of
mast guard
Model
WP-3636-DD
WP-3648-DD
WP-4848-DD
WP-4848-DD-FF
WP-3636-84B-DD
WP-3648-84B-DD
WP-4848-84B-DD
WP-3737-FD
Hex nut
Bolt
between top
Horizontal center of gravity
(B) measured from back of
mast guard
Mast
Lanyard attachment points
guard
WP-series
center of gravity
(C.O.G.)
A: Vertical center
of gravity in
inches (~cm)
18.1 (46.0cm)
18.8 (47.8cm)
16.8 (42.7cm)
16.8 (42.7cm)
23.4 (59.4cm)
21.9 (55.6cm)
21.9 (55.6cm)
16.5 (41.9cm)
guard is improperly fastened, it
cannot adequately
platform occupants.
make sure that hinge bolts and
nuts (circled in the drawings) are
tightened to 35ft·lb of torque.
Retighten the connection to 35
ft·lb whenever:
1. The work platform is taken
out of storage:
 Raise the upper portion of
the mast guard, and then
 Tighten the bolts and nuts.
2. The mast guard is bumped
or deflected from vertical.
 Immediately
platform to the ground; then
and
 Straighten the mast guard
(return it
orientation) and retighten the
bolts and nuts.
WP, MANUAL
B: Horizontal
center of gravity
in inches (~cm)
13.7 (34.8cm)
17.0 (43.2cm)
18.5 (47.0cm)
18.5 (47.0cm)
12.5 (31.8cm)
17.3 (43.9cm)
17.0 (43.2cm)
18.0 (45.7cm)
If the mast
protect
Therefore,
lower the
to the vertical
Page 8 of 17