DRIVEWAY APPROACH
1.
The driveway must have a concrete approach
(22' x 9' minimum and 6" minimum thickness) in the
area the WHEEL-LOK
™
restraint is installed. (See
Figure A.)
CONCRETE
Y
N
If NO, then specify _____________________
and advise the customer of operating requirements.
CUSTOMER ADVISED
Y
N
2.
A maximum of 4% change in grade (1.2" of rise per
12 inches of length) is allowed on a split (dual)
approach. (See Figure A.)
3.
The concrete approach must be free from
discontinuities (cracks or potholes) greater than 1" in variation where the sled will travel. (Trench drains, within
the WHEEL-LOK
™
restraint operation area, must be covered with a flush grate.)
DRIVEWAY DISCONTINUITIES
Y
N
If YES, then specify __________________
SPLIT OR STEEPER APPROACH
Y
N
If YES, then specify __________________
WHEEL-LOK
™
RESTRAINT GENERAL PARAMETERS AND VEHICLE REQUIREMENTS
1.
The locking range for the WHEEL-LOK
™
restraint allows for engagement 42" (3'-6") from the face of the bumper.
(See Figure B.)
2
Vehicles approaching the dock must have a minimum of 8-1/2"
ground clearance, from the driveway to the lowest point of the
trailer. (See Figure B.)
ENGAGEMENT RANGE O.K. (42" to 197")
Y
N
GROUND CLEARANCE O.K. (8-1/2")
Y
N
USE OF “PUP TRAILERS”:
1.
Pup trailers must have the landing gear raised and the trailer still attached to
the tractor, during activation of the sled, to prevent landing gear from
obstructing the sled operation. (See Figure C.)
PUP TRAILERS DROPPED AT DOCK
Y
N
If YES, then advise the customer of operating requirements.
CUSTOMER ADVISED
Y
N
3
APPLICATION REQUIREMENTS
AND SURVEY
1/2 Inch
12 Inches
4% Grade
108
Inches
264
Inches
IM
PORTANT
WARNING
TRA
ILER
LAN
DIN
G G
EAR
MU
ST B
E R
AIS
ED W
HEN
LOC
KIN
G A
ND U
NLO
CKIN
G
TRAILER TAILGATES MUST BE
RAISED WHEN BACKING IN OR
PULLING AWAY FROM DOCK
PUP
Engagement Range
8.5 MIN.
CLEARANCE
FIGURE A
20'
Loading
Dock
FIGURE B
Pup Trailer
Landing Gear Up
FIGURE C
