TM 55-1945-205-24-20331 00 10331 00UNIT LEVEL MAINTENANCEROLL-ON/ROLL-OFF DISCHARGE FACILITYRIGID HULL INFLATABLE BOAT TRIM TABADJUSTMENTINITIAL SETUP:ToolsTool Kit, General Mechanic’s (Rail and Marine) (Item 82, WP 0359 00)Gloves, Men’s and Women’s (Leather Palm) (Item 27, WP 0359 00)Goggles, Sun, Wind, and (Safety) (Item 29, WP 0359 00)Helmet, Safety (Brown) (Item 33, WP 0359 00)Life Preserver, Vest (Item 38, WP 0359 00)Wrench, Torque (150-750 in. lbs) (Item 91, WP 0359 00)Personnel RequiredEngineer 88LEquipment ConditionRHIB Dry-Docked.RHIB Battery Negative Lead Terminal Removed. (WP 0336 00)ADJUST RHIB TRIM TABWARNINGAll personnel must wear personal flotation device, hard hat, safety shoes and gloves during RRDF operations and maintenance. Failure to observe these precautions could result in serious injury or death.Beware of other craft or objects coming alongside while working outboard as serious injury may result if body parts are crushed between boat and other craft or objects.Improper trim tab adjustment can cause difficult steering, resulting in loss of control and damage to equipment and/or injury to personnel.NOTEA propeller will generate steering torque when the propeller shaft is not running parallel to the water’s surface. The trim tab is adjustable to compensate for this steering torque.A single trim tab adjustment will relieve steering effort under only one set of speed, motor angle and load conditions. No single adjustment can relieve steering effort under all speeds, motor angle and load conditions.1.Loosen trim tab screw (1).
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