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TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download

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TM 9-2320-280-34 12-9. RIGHT AIRLIFT BRACKET AND FRONT UPPER CONTROL ARM BRACKETS REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools Manual References General mechanic's tool kit: TM 9-2320-280-20 automotive (Appendix G, Item 1) TM 9-2320-280-24P Materials/Parts Equipment Condition Two locknuts (Appendix E, Item 57) Right engine splash shield removed Two locknuts (Appendix E, Item 59) (TM 9-2320-280-20). Eight locknuts (Appendix E, Item 60) Maintenance Level Direct support NOTE Vehicles with serial numbers 100,000 and above have new, reinforced airlift brackets. Previous model airlift brackets will be used on vehicles with serial numbers 99,999 and below only. Refer to vehicle serial number before ordering replacement parts. a. Removal 1. Raise and support front of vehicle. 2. Remove two locknuts (9), washers (10), and capscrews (4), from radiator support (8) and airlift bracket (5). Discard locknuts (9). 3. Remove two locknuts (16), washers (14), capscrews (12), washers (14), and disconnect upper control arm (15) from two control arm brackets (3). Discard locknuts (16). NOTE Note direction of capscrews for installation. 4. Remove eight locknuts (1), washers (2), capscrews (7), washers (2), control arm brackets (3), shim(s) (13) if present, cooler line bracket (6), and airlift bracket (5) from frame rail (11). Discard locknuts (1). b. Installation 1. Install airlift bracket (5), shim(s) (13) if removed, two control arm brackets (3), and cooler line bracket (6) on frame rail (11) with eight washers (2), capscrews (7), washers (2), and locknuts (1). Tighten locknuts (1) to 90 lb-ft (122 N.m). 2. Install upper control arm (15) on two control arm brackets (3) with two washers (14), capscrews (12), washers (14), and locknuts (16). Tighten locknuts (16) to 260 lb-ft (353 N.m). 3. Install radiator support (8) on airlift bracket (5) with two capscrews (4), washers (10), and lock- nuts (9). Tighten locknuts (9) to 37 lb-ft (50 N.m). 4. Lower front of vehicle. 12-10