TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 3-28.2 Change 1 c. Bias Ply Tire Chain Installation. CAUTION Tire chains are only used when extra traction is required and must be used as an axle set. Any other combination may cause damage to the drivetrain. (1) Install quick link (1) through cross-link connector (4) located on each side of tire chain assembly (5) between the third and fourth cross chains (3). Tighten nut (2). (2) Spread out tire chain assembly (5) and line up with tire. (3) Cautiously move or drive vehicle over tire chain assembly (5) until wheel is positioned at either end of chain assembly (5), allowing tire chain assembly (5) to be draped up and over tire. (4) Maneuver tire chain assembly (5) until cross-link sections are evenly spaced around tire. Secure one side of tire chain assembly (5) to tire by hooking inside fastener (6) to chain assembly (5). Tighten chain assembly (5) as much as possible. (5) Repeat steps 2 through 4 above until all tire chain assemblies have been properly installed. (6) Hook end fastener (7) to chain assembly (5) and secure with locking retainer (8) to tighten chain assembly (5). Ensure as many chain links as possible lay between the sidewall head lugs (9) on both sides of tires. (7) Move vehicle forward a few feet and retighten chain assembly (5) to remove any slack from where tire was resting on chain assembly (5). Secure loose chain linkage to chain assembly (5) with wire or other field-expedient method. (8) After vehicle is driven one or two miles, stop and retighten tire chains. Ensure as many chain links as possible lay between the sidewall head lugs (9) on both sides of the tires. (9) After final tightening, secure loose chain linkage to chain assembly (5) with wire or other field-expedient method. (10) Occasionally check tire chains (5) during operations to ensure tire chains (5) have not slipped.