TM-5-3805-254-14-P-2
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)
JUNE 1980
TM-5-3805-254-14-P-2 - Page 100 of 894
BODIES AND CABS
MOTOR TRUCK SERVICE MANUAL
CAB MOUNTING
The cab has a four- point mounting.
It is secured to
the frame at each front corner by brackets and rubber
bushing.
The rear of the cab is secured in the center at
two places to a crossmember with brackets, rubber
bushings and rubber insulators.
Fig. 41 shows details of
the cab front and rear mountings.
CAB REMOVAL
To remove the cab assembly from the chassis,
proceed as follows:
1. Disconnect:
a.
Frame-to-cab ground wire.
b.
Air lines at brake valve.
c.
Clutch linkage.
d.
Electrical connections.
f.
Luberfiner hose.
g.
Heater hose.
h.
Speedometer drive cable.
i.
Tachometer drive cable.
j.
Exhaust system.
k.
Throttle linkage.
m.
Steering shaft at gear.
2. Remove:
a.
Gear shift lever from transmission.
b.
Cab mounting bolts.
3. Carefully lift cab from chassis.
NOTE: Be
certain all items are disconnected.
CAB FLOOR SUBSTRUCTURE
Fig. 42 shows the various parts of the cab structure
and the legend provides alloy and material thickness
data which will be helpful in the event weld repair is
necessary.
There are sections of the cab understructure that,
once damaged, must be replaced as a complete
assembly.
The cab floor substructure, Fig. 43, should be
completely replaced should major damage occur.
In
some cases where the sections are only slightly bent, the
parts can be bent back into position or straightened.
Where parts are torn, then complete replacement should
be made.
Do not heat to straighten any section of the cab
understructure.
To do so may destroy the strength of the
members, resulting in early failure.
If these areas cannot
be satisfactorily cold straightened, then replacement is
required.
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