SERVICE PROGRAM

SERVICE PROGRAMSP 2-201-001NOVEMBER 2007STEP 11: OBJECTIVE:Adjust the radiator angle to set the fan toradiator shroud spacing (if necessary)TOLERANCE:Minimum of 3/4” space between theleading edge of the fan blades and theradiator shroudSTEP 12: OBJECTIVE:Adjust the fan ring to radiator shroudspacing (front to back, if necessary)TOLERANCE:1/4” to 1/2” space between the forwardedge of the fan ring and the radiatorshroud●●METHODOLOGY:If the radiator shroud to fan blade spacing isless than 3/4”, use (2) 15/16” box wrenchesto adjust the radiator stay rods to adjust theangle of the radiator forward or backward.Adjust the radiator angle until a minimumspace of 3/4” (Figure 9) is achieved betweenthe leading edge of the fan blades and theradiator shroud.●METHODOLOGY:Add or remove the 1/4” or 3/8” fan ringspacers as necessary to achieve a 1/4” to1/2” space between the fan ring and theradiator shroud (as measured at the 3, 6, 9,and 12 o’clock positions) (Figure 10).Minumumgap = 3/4”Gap = 3/8” - 1/2”Figure 10●Figure 9Using 15/16” box wrenches, tighten theradiator stay rod adjusting nuts.●NOTE:Apply thread locking compound to the fanring fasteners. Using a 12mm socket andtorque wrench, torque the fan ring fastenersto 16 ft-lbs (± 2 ft-lbs).If additional 1/2” spacers are required, alonger hex head flange screw may need tobe installed. (4) flange screws are providedwith the repair kit, S2010001B001.18 of 22AC-SP-263-0711-P28Questions? Visit the Autocar website atwww.autocartruck.com and click the Web Link Directicon to request emergency service assistance.