TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
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TM 9-2815-210-34-2-2 (3) Valve springs, spring retainers, and spring retainer locks. FRAME 1 1. 2. 3. 4. 5. NOTE Readings must be within limits given in table 4-55. If readings are not within given limits, throw away spring and get a new one. Do this frame for all six inner valve springs (1). Check that inner valve spring (1) is not worn, cracked or damaged. Throw away damaged inner valve springs and get new ones. Measure free length of inner valve spring (1). Using spring tester, measure load needed to squeeze inner valve spring (1) to a length of 1.33 inches. Using spring tester, measure to a length of 1.78 inches. Using spring tester, measure GO TO FRAME 2 load needed to squeeze inner valve spring (1) solid height of inner valve spring (1). NOTE CHECK ONLY THOSE PARTS WHICH ARE CALLED OUT IN THIS FRAME. PARTS WITHOUT CALLOUTS ARE SHOWN ONLY FOR REFERENCE PURPOSES OR ARE CHECKED IN ANOTHER FRAME. Table 4-55. Inner Valve Springs Wear Limits Index Number 1 1 1 1 Item /Point of Measurement Inner valve spring free length Inner valve spring load at 1.33 inches Inner valve spring load at 1.78 inches Inner valve spring maxi- mum solid height Size and Fit of New Parts (inches unless otherwise noted) 2.0100 to 2.2100 81.5 to 91.5 pounds 34.5 to 38.5 pounds 1.0700 Wear Limit (inches unless otherwise noted) None 78 pounds 33 pounds None 4-247