BODY IB-48
loosened with cab in either position. Whenever
loosening or removing
the cap retaining set
screws for any reason, the cab must be tilted
only to the point where the torsion bar is un
loaded. When torsion bar is inoperative, cab
must be safely supported.
Adjustm ent
The tilting mechanism incorporates a feature which
permits adjustment of the torsion bar as required for
proper counter-balancing of the cab during the tilting;pro
cedure. Tension of the bar may be changed by moving
the adjustment lever (fig. I l l , view A). The cab must be
tilted to approximately 45° and supported before adjust
ments are made. Torsion bar must be unloaded.
Lever may be adjusted up or down as required to allow
cab rear sill to be 6" ± 1 " above cab rear support cross
member when cab is in normal unlatched position. See
View B, Figure 111.
Torsion Bar
NOTE:
The following instructions are to be
carried out only after cab is tilted (approxi
mately 45 degrees) and supported safely there
with weight removed from chassis. Torsion bar
must be unloaded.
Refer to Figure 111 for all models.
Rem oval
1. Remove nut from adjusting lever clamping bolt and
pull lever off end of torsion bar.
2. Remove two bolts retaining cap to left body bracket.
3. Remove clamp bolt from right hand body bracket.
4. Remove two bolts retaining cap to right hand frame
support bracket.
5. Slide torsion bar toward left side of vehicle and out
of support brackets.
Installation
Before replacement of torsion bar, inspect frame
brackets and cab support brackets for cracks. Do not
weld or braze brackets. If cracked, replace.
New torsion bars should be handled carefully so as to
avoid nicking surface. Never hammer on a new bar dur
ing installation. If entry into right hand body bracket is
difficult, open clamp with pry bar. Lubricate right hand
hex of bar with chassis grease and proceed as follows:
1. Insert bar through left hand frame support bracket
and into right hand body bracket.
2. Install caps on right hand frame support bracket and
left hand body bracket; torque bolts to 50-60 ft. lbs.
3. Coat inside of adjusting lever hex with chassis grease
and install lever over end of bar with small hole in
lever as near center of slot in frame bracket as pos
sible; secure lever with bolt and nut torqued to 130-
180 ft. lbs.
F ig . 112 - Hold-Dow n and Safety Hook Assy.
CHEVROLET TRUCK SERVICE MANUAL
Summary of Contents for 10 Series 1968
Page 1: ...ST 1 3 3 SB...
Page 3: ...w w...
Page 52: ...HEATER AND AIR CONDITIONING 1A 21 Fig 32 Charging Schematic CHEVROLET TRUCK SERVICE MANUAL...
Page 67: ......
Page 128: ...BODY IB 61 Fig 135 A uxiliary Seat CHEVROLET TRUCK SERVICE MANUAL...
Page 132: ...Fig 4 1 0 3 0 Series Truck Frame...
Page 133: ...Fig 5 4 0 6 0 Single A xle Truck Frame E x c Tilt Cab...
Page 135: ...Fig 7 4 0 6 0 Series Tilt Cab Truck Frames...
Page 139: ...w...
Page 169: ...fit w...
Page 233: ...I...
Page 248: ...BRAKES 5 15 TD 50 60 Fig 26 Parking Brake Cables T Models CHEVROLET TRUCK SERVICE MANUAL...
Page 347: ......
Page 389: ......
Page 393: ......
Page 411: ...ENGINE FUEL 6M 18 Fig 18A V 8 Typical CHEVROLET TRUCK SERVICE MANUAL...
Page 525: ......
Page 551: ......
Page 583: ...CHASSIS SHEET METAL 11 12 Fig 20 Designation and Name Plate CHEVROLET TRUCK SERVICE MANUAL...
Page 587: ...ELECTRICAL BODY AND CHASSIS 12 2 Fig 1 Fuse Panel CHEVROLET TRUCK SERVICE MANUAL...
Page 611: ...r ELECTRICAL BODY AND CHASSIS 12 26 9 CHEVROLET TRUCK SERVICE MANUAL...
Page 663: ......
Page 686: ...w...
Page 698: ...SPECIFICATIONS 12 ENGINE TORQUES CHEVROLET TRUCK SERVICE MANUAL...
Page 713: ...9...