TM   10-3930-638-24&P 2-43. SERVICE BRAKE MAINTENANCE (cont) d.  Declutch  Valve  (cont). STEP LOCATION ITEM ACTION REMARKS ADJUSTMENT 9 Declutch a. Declutch valve (10) Position On bracket (5) so that valve plunger just valve  (10) makes  contact  with  flat  spring b. Nuts (9 and 11) Tighten  against To  secure  adjustment bracket (5) c. Flat spring (8) Gently pull from To check adjustment. When released, plunger and spring  (8)  should  contact  valve  plunger release without  depressing  plunger NOTE If necessary, repeat steps a and b above, and recheck adjustment (step c above) before proceeding. 2-313