TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 190 of 890
REFERENCE INFORMATION 1. Note engine rpm reading (STE/lCE-R TEST 10) 2. Gently depress rocker arm on pump towards injection pump 3. If mechanism is functioning properly rpms will decrease. 4. If mechanism doesn't move freely, try putting a drop of oil in the two spots indicated. Gently try to depress rocker arm again. TM 9-2320-280-20-1 FUEL SYSTEM Injection pump as seen from rear of engine. Gently press screwdriver against arm. Use a ten inch screwdriver 2-103