Checkers Monster 1911 Wheel Chocks User Guidelines Manuel d'utilisateur télécharger pdf

1910.178 (k) Trucks and railroad cars. (1) the

brakes of highway trucks shall be set and wheel

chocks placed under the rear wheels to prevent

the trucks from rolling while they are boarded

with powered industrial trucks.

OSHA SPECIFIES

WHEEL CHOCK USER GUIDELINES

www.checkersindustrial.com

#ZIS-W1911

Ver: 2/11

Wheel chocks are effective holding devices, but only when used

properly. Namely, chocks must be used in pairs and positioned

downhill and below the vehicles center of gravity. This could mean

chocking in front of the front wheels if the vehicle is disabled while

traveling down a grade or the back of the rear wheels if the vehicle is

disabled while traveling up a grade. This could also mean chocking the

front and back of one wheel if the direction of the grade cannot be

determined or even using multiple pairs of chocks in severe conditions.

Although these are generally accepted chocking procedures, it is the decision

of each individual end user to make the final determination about chocking.

Various combinations of chocking procedures should be evaluated and tested

under various situations and conditions.

Wheel chocks should be used not only when a vehicle becomes disabled on a

grade, but also during maintenance and any time the truck is left unattended.

Chocks must also be positioned snugly and squarely against the center of the

tire tread. Improper positioning decreases the wheel chock’s effectiveness.

Chocks should be used only after the parking brake is applied and tested.

WARNING!

Individual end user testing required to ensure proper chock selection

and application

• Model 1911 wheel chocks are rated for haul trucks with tire

sizes over 105 in. (2667 mm) diameter and load capacities up to

400 tons (a minimum of four (4) model 1911 Monster Wheel

Chocks must be used when chocking haul trucks with load

capacities from 240 tons up to 400 tons).

• Improper use may result in product failure

• Select wheel chock according to vehicle type and size

• Always use in pairs and on firm surfaces

• Multiple pairs may be required in extreme conditions

• Chock in direction of grade

• Chock both sides of wheel if direction of grade is undetermined

• Use only after parking brake is applied and tested

• Center chocks snugly and squarely against tread of each wheel

• Always test chocks to ensure they meet requirements

• Do not drive over wheel chocks

(GUIDELINES CONTINUED ON REVERSE SIDE)

1911 WHEEL CHOCKS

FOR HEAVY DUTY

APPLICATIONS

HEAVY DUTY WHEEL CHOCKS

DOWNHILL GRADE

Chock front wheels on each side of truck

LEVEL GRADE

Chock both sides of wheel

UPHILL GRADE

Chock outside rear wheels on each side of truck

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1911 WHEEL CHOCKS 1

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Page 1 - 1911 WHEEL CHOCKS

1910.178 (k) Trucks and railroad cars. (1) thebrakes of highway trucks shall be set and wheelchocks placed under the rear wheels to preventthe trucks

Page 2

LIMITED WARRANTY: Checkers guarantees the products it manufactures or sells against defects in workmanship and material for a period of one (1) year

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Checkers Monster 1911 Wheel Chocks User Guidelines Manuel d'utilisateur

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