TM 9-2320-209-20-3-4 23-30. DEEP WATER FORDING KIT CONTROL VALVE REMOVAL, REPAIR, AND REPLACEMENT. NOTE There are two deep water fording kit control valves, one for trucks with front wheel drive lever, and the other for trucks without front wheel drive lever. This procedure shows both models. TOOLS: Open end wrench set, pn GGG-W-636 Cross-tip screwdriver (Phillips type) Sockethead screw key set, pn GGG-K-275 (Allen wrenches or equivalent) SUPPLIES: Tags PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Vent air system pressure. Refer to Part 2, para 13-20. 23-111