G343 ENGINE Caterpillar

(1) Valve testing dimension-with two 1S9039 Spacers (4) in place:

First Test:

Pressurize chamber @ (A) to ... 30.18 PSI(211,5 kg/cm²)

Test maximum dimension should be ... 2.893 in.(73,48 mm)

2nd Test:

Pressurize chamber @ (A) to ... 7.74 PSI(0,5 kg/cm²)

Test dimension should be ... 2.893-2.983 in.(73,48-75,77 mm)

(2) 2S4655 Spring:

Length-test force applied ... 3.05 in.(77,5 mm)

Test force ... 81.5 ± 4 lb.(36,9 ± 1,8 kg)

Free length after test ... 4.28 in.(108,7 mm)

Outside diameter ... 2.63 in.(66,8 mm)

(3) Torque-nut and bolt ... 55 ± 15 lb. in.(63 ± 17 cm.kg)

(4) 1S9039 Spacers-altitude adjustment:

Use two between ... 0-1500 ft.(0-457,2 m)

Use one between ... 1500-4000 ft.(457,2-1219,2 m)

Use none above ... 4000 ft.(1219,2 m)