99903514:TELESCOPIC CRANE: 4-11
SECTION 4: INSTALLATION
4.10 MODEL 5020 CRANE INSTALLA-
TION
MINIMUM CHASSIS SPECIFICATIONS
BODY STYLE Conventional
Cab
WHEELBASE 154”
CAB TO AXLE 84”
FRAME SECTION MODULUS 12 in³
RBM 600,000 in-lb
FRONT AXLE RATING 7000 lb
REAR AXLE RATING 15,000 lb
GROSS VEHICLE RATING 22,000 lb
TRANSMISSION 5-speed
CRANE INSTALLATION
In addition to meeting Minimum Chassis
Specifications, there must be sufficient room
for mounting the crane and the platform must
be strong enough to support the crane and
rated load. Install the crane only on an IMT
designed and approved truck body. The body
must be designed to sustain the forces
imposed by the crane when lifting the full rated
load. In addition, an IMT designed body is
designed to take full advantage of the standard
reservoir placement. This reservoir is in-
stalled in the cargo area of the body. Before
attempting to install the crane, the body must
be installed.
To install the crane:
1. Use a lifting device capable of lifting the
weight of the crane, 1,625 lbs (737 kg). Attach
fabric slings to the crane lower boom, cen-
tered approximately 18 inches from the mast
hinge. Make certain the crane is well bal-
anced on the slings by slowly lifting approxi-
mately 6" off the ground. Lift the crane, apply
a bead of waterproof compound, such as
silicon based caulk, to the bottom of the base.
Move the chassis under the crane and lower
the crane into the desired position.
2. Install the 1-8x3" mounting cap screws
and 1" washers to secure the crane base to
the truck body (see Crane Installation draw-
ing). Torque the cap screws to 680 ft-lbs (94
kg-m).
14.75“
(37.5cm)
1.25“ (3.2cm)
3.57“ (9.1cm)
14.75“
(37.5cm)
MOUNTING HOLE PATTERN
CAP SCREW
1-8X3" GR8
(4 PLACES)
WASHER 1"
(4 PLACES)
CAUTION
THE 3” BOLTS SUPPLIED FOR USE ON
BODIES WITH A CRANE BOX TOP
PLATE THICKNESS OF 7/8”-1” ONLY.
DETERMINE THE CRANE BOX TOP
PLATE THICKNESS PRIOR TO MOUNT-
ING. IF DIFFERENT LENGTH BOLTS ARE
REQUIRED, THEY MUST BE 1-8,
GRADE 8, ZINC COATED OF THE
PROPER LENGTH. FAILURE TO USE
PROPER LENGTH BOLTS MAY CAUSE
THE BOLTS UNDER THE WORM HOUS-
ING TO BOTTOM OUT BEFORE
TORQUEING. INSURE A MINIMUM OF 1-1/
2” THREAD ENGAGEMENT.
CRANE INSTALLATION
20030115
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