1972 USA Owners manual (Page 26 ... 27):

 

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Wheel and Tire

The performance, ride and handling qualities of any car are greatly influenced by tire condition and pressure. Tire pressure lower than recommended will reduce tire and ride qualities.

Pressure above those recommended will affect the life and ride of the vehicle, because "hard" tires tend to magnify rather than absorb road shocks and are more vulnerable to damage from bumps or blunt objects on the road.

1974 B120 Owner's Manual (Page 23 ... 25)

 

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Performance, ride and handling qualities of any vehicle are greatly influenced by tire condition and pressure. Tire pressure lower than recommended will reduce tire life and ride qualities. Pressure above those recommended affect the life and ride of the vehicle adversely, because "hard" tires tend to magnify, rather than absorb, road shocks and are more vulnerable to damage from depressions or blunt objects on the road.

1972 USA Owners manual (Page 26 ... 26):

 

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TIRE CARE

• The tires should be checked periodically for their proper pressure.
  Ordinarily, during continuous driving at a constant speed, tire pressure rises 10 to 15% of that when the tire is cold.
  When checking the tire pressure, first, find out whether the tire is hot or cold.
• The tires should be replaced, when the "tread wear indicator.' appears across the tread.
  "Tread wear indicator" marks are in six positions on the tire circumference, which indicate limit of 0.06 in (2 mm) tread depth.
• It is better to use all tires including the spare tire evenly. The rotation period is every 6,000 miles as shown in the diagram.
• Be sure that all tires are of the same size type and load range.
  Do not mix radial ply or belted tires with conventional type.

Vehicle capacity weight: 645 lbs

Seating capacity: Rear 2 passengers, Front 2 passengers

RECOMMENDED COLD TIRE INFLATION PRESSURE
   For maximum load (645 lbs) 
   4 passengers + 45 lbs luggage
Tire size
6.00 - 12: Front 22 psi, Rear 22 psi 
155 SR 12: Front 24 psi, Rear 24 psi

1974 B120 Owner's Manual (Page 23 ... 23)

 

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TIRE CARE

• The tires should be checked periodically for their proper pressure.
  Ordinarily, tire pressure rises 10 to 15% of that when the tire is cold during continuous driving at a constant speed.
  When checking the tire pressure, first, find out whether the tire is hot or cold.
• The tires should be replaced, if the tread depth is less than 1.6 mm (0.0630 in).
• It is better to use all tires including the spare tire evenly. The rotation period is every 9,000 km (6,000 miles) as shown in the diagram.
• Be sure that all tires are of the same size type and load range.
  Do not mix radial ply or belted tires with conventional type.

1972 USA Owners manual (Page 27 ... 27):

 

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CHANGE WHEEL

1. To change a wheel, first apply the parking brakes. Block the wheel diagonally opposite the wheel to be changed with the wheel chock.
2. Place the jack under the jack-up point. There are four jack-up points at the floor panel as shown below.
3. Using the wheel nut wrench, take off the wheel cap and loosen the wheel nut about one half turn by turning it counterclockwise.
4. Raise the car until the wheel clears the ground, remove the wheel nuts, and replace the wheel.
5. Tighten the wheel nuts evenly by turning them clockwise.
6. Lower the car until the wheel touches the ground, and then tighten the wheel nuts again.

Caution: Never get under the car while it is supported only by the jack. Always use safety stands to support the frame when you are beneath the car.

1974 B120 Owner's Manual (Page 24 ... 24)

 

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CHANGE WHEEL

1. To change a wheel, first apply the parking brakes. Block the wheel diagonally opposite to the wheel to be changed using the wheel chock.
2. Place the jack under the jack-up point.
3. Using the wheel nut wrench, take off the wheel cap and loose the wheel nut about one half turn by turning them counterclockwise.
4. Raise the vehicle until the wheel clears the ground, and remove the wheel nuts, and replace the wheel.
5. Tighten the wheel nuts alternately and evenly by turning them clockwise.
6. Lower the vehicle until the wheel touches the ground, and securely tighten the wheel nuts in the same sequence.

1972 USA Owners manual (Page 27 ... 27):

 

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SPARE TIRE AND TOOLS (Coupe)

The spare tire is located in the baggage compartment.

Open the tailgate and take off the floor cover board.

Hook the cover board on the tailgate hinge for easy working. Release the spare wheel clamp.

The tools are located beside the spare wheel.

1972 USA Owners manual (Page 27 ... 27):

 

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SPARE TIRE AND TOOLS (Sedan)

The spare tire is located in the baggage compartment.

Take off the rubber mat and the cover board then release the spare tire clamp.

1974 B120 Owner's Manual (Page 24 ... 24)

 

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TOOLS

The tools and jack components are stored in the storage compartment as shown. The tool bag is stowed under the assist seat.

1974 B120 Owner's Manual (Page 25 ... 25)

 

Caution: Never get under the vehicle while it is supported only by the jack.
Always use safety stands to support frame when you have to get beneath the vehicle.

1974 B120 Owner's Manual (Page 24 ... 24)

 

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SPARE TIRE

To remove the spare tire, loosen the clamp bolt of the spare tire hanger and lower the hanger slowly. To install the tire, do reversely and tighten the clamp bolt securely.

1974 B120 Owner's Manual (Page 25 ... 25)

 

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TOWING

If your vehicle must be towed, it is important that the towing rope be fastened only to the tension rod brackets as illustrated.

The rope must be routed under the bottom edge of the bumper.

To tow another vehicle, always tie the rope to the rear spring hanger.