TM 5-3810-295-34
Figure 13-9. Top of unloader body.
h. Check for distortion, pitting or wear in the seat-
capable of accurate measurements of spring length and
ing area of unloader cap.
load. Springs must meet the requirements given in ta-
i. Test springs on a suitable spring tester that is
ble 13-2.
TABLE 13-2 Spring Data
Approx
No.
Wire
Length
New min.
New max.
Worn
free
Spring
length
coils
dia.
inches
LB
LB
limit LB.
0.670
3
0.080
0.280
8.5
10.4
8l
Unloading
1.650
11.5
0.080
0.98
32
38.0
30.0
Intake
0.500
2.75
0.280
0.280
0.65
1.10
0.55
j. Check head for water leakage as follows.
new gasket. Tighten capscrews alternately to a final
(1) Assemble cylinder head cover to head using a
torque of 15--17 ft-lb (20--23 N. m).
new gasket.
(3) With the water outlet plugged apply water
(2) Assemble cylinder head to crankcase using a
under 20-30 psi pressure through the water inlet.
13-19
