SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS

Figure 2-38. Connecting Pumping Assembly, With Front Tripod Jack, to Towing Vehicle . (Model 609-A Shown)

TM-10-4320-344-10 Pump Assembly Water 600 GPM Model 609-A (NSN 4320-01-184-7494) Model 609-C (NSN 4320-01-261-6470) Model US636HCCD-1 Manual
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TM 10-4320-344-10 j . Pumping assembly is now ready for movement. SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS 2.8 UNUSUAL ENVIRONMENTAL/WEATHER. 2.8.1 Operation in Cold Weather. The pumping assemblies are not intended for use at temperatures below 32°F (0° C), but Pumping Assembly Model 609-C is equipped with a cold start aid for use in cold temperatures below freezing. The cold starting aid includes a handle that operates a device connected to a bottle of fluid that is stowed in the engine compartment. The device has an outlet that leads to the engine intake manifold. When the cold starting aid is operated, starting fluid (EITHER) is injected into the engine intake manifold. When required, operate the cold starting aid in accordance with paragraph 2.5.2.1 step f (Manual Mode) or paragraph 2.5.2.2 step h (Automatic Mode). 2.8.2 Operation in Extreme Heat. 2.8.2.1 Pumping Assembly Model 609-A. Make sure that coolant is at proper level. Make sure that engine receives adequate ventilation. Use correct lubricants for expected temperatures. 2.8.2.2 Pumping Assemblies Models 609-C and US636HCCD-1. Make sure that engine receives adequate ventilation. Make sure that all shrouding is installed and in good c o n d i t i o n. Use correct lubricants for expected temperatures. 2.8.3 Operation in Dusty or Sandy Areas. Protect the Pumping Assembly from sand or dust as much as possible. Frequently check the air cleaner service indicator. Keep stores of oil and fuel tightly closed. 2.8.4 Operation in Salt Mater Areas. Check the Pumping Assembly weekly for rust formations and rinse with fresh water daily. Check all electrical contacts daily for evidence of corrosion. If rust or corrosion is present, notify unit maintenance. 2.9 FORDING. Fording capabilities of the Pumping Assemblies are limited by the fording capabilities of the towing vehicle. Perform lubrication in accordance with LO 10-4320-344-12 as soon as possible after fording. 2.10 EMERGENCY PROCEDURES. Emergency procedures for pumping assemblies are contained in the applicable TWDS technical manual. 2.11 NUCLEAR, BIOLOGICAL, AND CHEMICAL (NBC) DECONTAMINATION. Detailed decontamination (decon) procedures can be found in FM 3-3, FM 3-4, and FM 3 - 5. 2.11.1 General. The following emergency procedures can be performed until field NBC d e c o n f a c i l i t i e s a r e a v a i l a b l e. Pumping assembly operation will supervise, assign a s s i s t a n t ( s ) d u t i e s, and assist the supporting NBC unit. There is no decon equipment mounted on the pumping assemblies. 2.11.2 Emergency Procedures. If NBC attack is known or suspected, mask at once and continue mission. If in a shelter, do not leave shelter. If outside, follow decon procedures below to avoid taking contamination into the shelter. Do not unmask until told to do so. 2-119 NOTE

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