Genie Z-45/25 User manual

First Edition
First Printing
Part No. 82943
Operator’s Manual
Supplement
Cribbing
Instructions

PartNo.82943
CribbingInstructions First Edition • First Printing
Important
Plywood cribbing may be used to provide a level
surface for safe boom operation. This instruction
manual contains specifications for site constructed
cribbing that, when used as instructed, may be
consideredfirmandlevelground.Cribbingmaybeused
to bring a workplace surface to within the safe limits for
aerialliftoperationas described in the operator's
manual.
Read,understandandobeythesafetyandoperating
instructionscontainedintheOperator's Manual for each
machine.
Contents
Page
Safety Rules .............................................................. 1
ConstructionSpecifications........................................ 2
WorkplaceInspection................................................. 3
Instructions for Use.................................................... 4
Copyright © 2003 by Genie Industries
First Edition: First Printing, December 2003
"Genie" is a registered trademark
of Genie Industries in the U.S.A. and many
other countries.
These machines comply with ANSI/SIA
92.5-1992
Printed on recycled paper
Printed in U.S.A.
Approved Models
S-40 Z-45/25
S-45 Z-45/25J
S-60 Z-60/34
S-65 Z-80/60
S-80 Z-34/22 IC
S-85
Approvedmodels mustbeequippedwith
pneumaticorfoam-filled tires.

PartNo.82943 1
First Edition • First Printing CribbingInstructions
Safety Rules
Danger
Failure to read, understand and
obey all warnings and instructions
provided in this manual and the
appropriate operator's manual will
result in death or serious injury.
Use of plywood cribbing to
provide a level surface for safe
aerial lift operation is authorized
by Genie Industries only if the
following safety rules and
requirements are followed:
Do not use cribbing that is not built to the
specifications outlined in this manual.
Operators must be trained in the safe use of aerial
lifts on cribbing, using the information contained in
this manual.
Do not use on booms over 85 feet (maximum
platformheight).
Do not use on any aerial equipment other than the
modelsapprovedin this manual.
Do not use on a surface that is not firm (capable of
supportingtheweight of themachinewithout
cribbing).
Do not use on a slope greater than 6° (10%).
Do not raise the platform unless the machine is
level.
Do not drive the machine on cribbing with the
platformraised.
Do not use cribbing over a hole, depression or
bumpin the supporting surface.
Machines must be equipped with a lock-out switch
that disables the drive function when the platform is
elevated. NOTE: If the machine does not have a
lock-out switch, contact your Genie dealer to order
a switch installation kit.
Do not raise the platform when wind speeds may
exceed15 mph.

2PartNo.82943
First Edition • First PrintingCribbingInstructions
Construction Specifications
• Cribbing is to be constructed of APA certified
plywoodsheets.
• Each plywood sheet must be a minimum of 3/4
inch thick.
• Each plywood sheet must be a minimum of 24
inches by 24 inches.
• Plywood sheets must be layered together with a
minimum of 24 inches of overlap for joints.
• Layers are to be secured with 6D ring shank
nails, placed a minimum of 8 inches OC edge
and 12 inches OC face. Use 8d ring shank nails
for plywood over 11/8inches thick.
• Each end of the cribbing is to have a ramp or a
chock that extends the full width of the cribbing.
The chock must be a minimum of 6 inches by 6
inches.
• Ramps are to be constructed in a series of
steps. Each step shall be a minimum of 12
incheslong.
• The maximum total ramp height shall not
exceed 8 inches.
• Make sure that machine wheels have a 24 inch
surface to rest on when the platform is elevated.
• Cribbing must not be constructed to accomodate
turns or curves.
• Cribbing must be constructed so that no
machine tire is more than 8 inches off the
ground at any time.
8”
max.
Chock
6” x 6”
min.
2 ” max.
1/2
Each step
must be at
least 12” long
Nail
There must be a
minimum 24” overlap
between joints in panels

PartNo.82943 3
First Edition • First Printing CribbingInstructions
Workplace Inspection
Observe and Obey:
Read,understand andobeytheinstructionsand
hazards in the Workplace Inspection section of the
operator'smanualonyourmachine.
Conductaworkplaceinspectionprior to
constructing and using cribbing to determine if the
site is suitable for safe machine operation.
The workplace must be inspected before each use
to determine if any changes have occurred that
could affect the safe operation of the machine.
Beawareofandavoidthefollowinghazardous
situationswhen usingcribbing:
• unstable surfaces that could shift under cribbing
• surfacesthat cannot supportthe cribbing (refer
to the floor loading specifications in the
operator'smanual)
• slippery surfaces that could cause cribbing to
slide or skid
• sloped surfaces of greater than 6°
• drop-offsorholes
• raisedground

4PartNo.82943
First Edition • First PrintingCribbingInstructions
Instructions For Use
1 Make sure you are properly trained in the use of
aerial lifts on cribbing, using the information
providedin this manual.
2 Make sure the Genie aerial lift has been
modified with a lock-out switch that disables the
drive function. This switch will be located on the
groundcontrol panelandlabeledwithapatch
(partnumber97549).NOTE:Ifthemachine
does not have a lock-out switch, contact your
Genie dealer to order a switch installation kit.
3 Place the cribbing on a surface that complies
with the requirements of this manual and the
illustrationbelow.
4 With the machine in the stowed position, drive
onto the cribbing. The base of the machine
must be level on the cribbing.
6° (10%) max.
5 Move the drive disable switch to lock out the
drivefunction.
6 Operate the machine lift function according to
theinstructionsintheappropriateoperator's
manual.