TM 5-3805-280-24-2
Lubrication System
20
2. Remove oil pressure regulating valve and spring.
15
3. Check valve cone for excessive wear and damaged
sealing face.
4. Check oil pressure regulating spring free length and
compression strength using D01168AA Spring
Compression Tester. Replace parts if not within
specification.
4-Cylinder Engine--Specification
Spring Free Length..................................................... 115.5 mm (4.55 in.)
4-Cylinder Engine--Specification
Spring Tension at 42.5 mm (1.68 .................. 45 Nm (9.1--11.1 lb-force)
in.)
6-Cylinder Engine--Specification
Spring Free Length........................................................ 119 mm (4.68 in.)
6-Cylinder Engine--Specification
Spring Tension at 42.5 mm (1.68 ................ 66 Nm (13.5--16.5 lb-force)
in.)
RG,20,DT7529 1917NOV972/5
5. Pull valve seat out of cylinder block with JT01727
Collet (A) and JT01718 Slide Hammer (B) from
D01061AA Blind-Hole Puller Set, or equivalent.
A--JT01727 Collet
B--D01061AA Blind-Hole Puller
Continued on next page
RG,20,DT7529 1917NOV973/5
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