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CHAPTER 1 INTRODUCTION - TM-1-1730-231-13P_9
TM-1-1730-231-13P Hydraulic Kneeling/Erecting Cart P/N: 10064-10 Manual
Figure 1-2. Hydraulic Kneeling/Erecting Cart Major Internal Components
TM 1-1730-231-13&P NOTE Relative  position  locations  (front,  rear,  left,  and  right)  are  as  viewed standing and facing the manifold assembly. 1-8. Capabilities and Features. The cart delivers MIL-H-5606 or MIL- H-83282 hydraulic fluid at a minimum rate of 1.2 gallons per minute (gpm) at 1,000 pounds per square inch (psi), and 0.4 gpm at 3,000 psi. The cart is mounted on two wheels with semi-pneumatic tires for easy travel on the flight line. Operator's controls and indicators are located at the front side of the cart under the control panel cover and on the controller stowed inside the cabinet. To familiarize using personnel  with  the  cart  characteristics  and  physical  makeup,  a  table  of  equipment  data  is  presented  in  Table  1-1  and some of the major components are identified in Figure 1-2. 1-9.    Location    and    Description    of    Major    Components.    The    major    components    (Figure    1-2)    of    hydraulic kneeling/erecting cart are: frame/cabinet assembly, manifold assembly, motor and pump assembly, reservoir assembly, hydraulic piping assembly, and the electrical wiring/components assembly. a.   Frame/Cabinet Assembly.  The cart operating components, including the controls and indicators, are enclosed in a welded steel cabinet, (Figure 1-2). The cabinet is supported on semi-pneumatic tires at the rear corners and legs at the front corners.  The legs have holes to facilitate in tiring down the cart for storage or during shipment. A handle is attached to the cabinet for ease in controlling, while moving the cart. A hinged removable door at the rear of the cabinet and a hinged control panel cover on top allow access to all internal components. The cabinet has an access to allow the power cable  and  controller  to  remain  out  with  the  door  in  the  closed  position  during  operation.  A  drain  hole  is  located  at  the bottom of the cabinet. Three horizontally divided areas are available for storage of electrical cables and hydraulic hoses. b. Manifold Assembly. The manifold assembly (Figures 1-2 and 1-3) houses the majority of controls and indicators used on the cart. Six solenoid valves (for tall, left, and right) permit/receive fluid flow to/from helicopter struts while a seventh solenoid  valve  allows  fluid  flow  to  recirculate  to  the  oil  reservoir  when  neither  kneeling/erecting  operations  are  being performed.  Three  manual  flow  regulators  (for  tall,  left,  and  right)  control  the  amount  of  flow  to/from  helicopter  struts. Three quick disconnect couplings and dust caps (for tall, left, and right) are connected to the manifold at the front end. A pressure gage to read pump pressure developed is connected to the manifold. A variable pressure relief valve to adjust flow pressures between 100 and 3,000 psi is also attached to the manifold. The manifold assembly is easily accessible by lifting up the control panel cover. 1-2

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