SPRING 4H1221 - Caterpillar

4H1221 SPRING Caterpillar parts 120B, 12E, 140B

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Alternative (cross code) number:
CA4H1221
4H-1221
4H1221

Weight: 0.20 pounds 0 kg.

Information:

ACTUAL RATE 2.101 N/MM

FREE LENGTH 150.622 mm

OD 22.352 mm

SOLID LENGTH 93.726 mm

WIRE DIAMETER 2.68 mm

Buy SPRING 4H1221 Caterpillar genuine, new aftermarket tractor parts with delivery
MOTOR GRADER,

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WVE by NTK 4H1221 Ignition Lock Cylinder, 1 Pack

$24.59

19 Apr 2024
0.35[0.16] Pounds
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WVE by NTK 4H1221 Ignition Lock Cylinder, 1 Pack
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17 Aug 2023
0.35[0.16] Pounds
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$33.80

28 Aug 2017
.36[0.00] pounds
Airtex: Airtex

Airtex 4H1221 Ignition Lock Cylinder & Key Brand New

Number on catalog scheme: None

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Compatible equipment models: 4H1221:

MOTOR GRADER 120B 12E 140B Caterpillar

Information:

Illustration 1 g03150607
Table 1
Specification for 335-0792 Fuel Pump and Valve Mechanism
Item Qty Part Specification Description
1 - - Tighten the unit injector rocker arm locknut to 100 10 N m (74 7 lb ft).
2 - - Tighten the valve rocker arm locknut to 30 7 N m (266 62 lb in).
3 1 313-4085 Rocker Shaft Assembly Diameter of a new rocker shaft is 40.000 0.010 mm (1.5748 0.0004 inch).
After installation, bore in the rocker arm bushing for rocker shaft is 40.065 0.015 mm (1.5774 0.0006 inch).
Maximum dimension for the bore of the rocker arm for the rocker arm shaft is 40.193 mm (1.5824 inch).
- - - Inlet valve lash setting value is 0.38 0.08 mm (0.015 0.003 inch).
Exhaust valve lash setting value is 0.76 0.08 mm (0.030 0.003 inch).
Illustration 2 g03150619
Left side view of engine
Illustration 3 g03150620
Tightening sequence
Table 2
Item Qty Part Specification Description
4 18 304-9553 Stud Use the following procedure in order to tighten the stud for the rocker arm:
Before assembly, apply black 4C-5592 Anti-Seize Compound to the threads and under head of studs.
Refer Illustration 3 for stud tightening sequence.
1. Tighten the studs in a numerical sequence to 55 5 N m (41 4 lb ft).
2. Again, tighten all the studs to 55 5 N m (41 4 lb ft).
3. Turn the studs in a numerical sequence to an angle of 60 5 degrees.