88
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
STEP 19 - PLATFORM CHAIN ADJUSTMENT
1. Lower the platform to ground level.
Check if tip of the fl ipover and bot-
tom of the runners touch the ground
at the same time (FIG. 88-1).
TIP OF
PLATFORM
BOTTOM OF
RUNNER
GROUND
TIP AND RUNNER TOUCHING GROUND
FIG. 88-1
RUNNERS NOT TOUCHING
FIG. 88-2
2. If the bottom of the runners are off the
ground, measure the distance “H1”
(FIG. 88-2) from the ground to the
bottom of the runners.
• Adjustment is not required if
distance “H1” is 1” or less.
• If distance “H1” is more than 1”, refer
to the steps that follow to adjust the
platform chains.
TABLE 88-1
3. Refer to measured distance “H1” at the run-
ners and TABLE 88-1. Note the method(s)
that will be required to raise the tip of platform
(or retention ramp) the expected distance.
MEASURED “H1”
(AT RUNNER)
ADJUSTMENT METHODS
(
•
REQUIRED FOR EXPECTED RISE AT TIP)
EXPECTED RISE
“H2” (AT TIP)
REMOVE 1 LINK
OF BOTH CHAINS
(RAISES TIP 1-1/2”)
REMOVE 2 LINKS
OF BOTH CHAINS
(RAISES TIP 3”)
1” - 2-1/4” --0” - 1-1/4”
2-1/2” - 3-3/4”
•
- 1-1/2” - 2-3/4”
4”
••
3” - 4”
”H2”
BOTTOM OF
RUNNER
GROUND
”H1”