YAMADA NDP-40 Series Maintenance Manual

Also see for NDP-40 series: Operation manual Operation manual Operation manual

Contents

YAMADA NDP-40 Series Maintenance Manual Manual pdf 4 page image

11. Principles of operationThere are two diaphragms fixed to the center rod, one at each end. When compressed air is supplied to airchamber b (right side, see Fig.1.1), the center rod moves to the right, the material in material chamber B ispushed out, and at the same time material is sucked into material chamber A.When the center rod is moved full-stroke to the right, the air switch valve is switched, compressed air is sent toair chamber a (left side, see Fig.1.2), and the center rod moves to the left. The material in material chamber A ispushed out, and at the same time material is sucked into material chamber B.Through repetition of this operation, material is repeatedly taken in and discharged out.2. Tools, etc.2.1 General tools· Socket wrenches 13mm, 17mm, 19mm (except with the NDP-40 BP_, BV_),24mm (BA_, BS_, BF_)· Hexagonal box wrenches 5mm, 6mm· Small crowbars 2 (B_C, B_N, B_E, B_V)· Open-end wrenches 17mm (NDP-40 BP_, BV_), 19mm (BA_, BS_, BF_),24mm (BA_, BS_, BF_)· Plastic hammer2.2 Special tools· PP wrench (sold separately) · Sleeve remover (sold separately)Purpose: Removing the center disk Purpose: For removing sleeveof BP_ and BV_ types2.3 Misc.· Assembly oil Turbine oil none addition class 1(equivalent ISO VG32 grade)· Nuts M16 X 1.5· Thread locker· Grease Urea grease grade (NLGI) No. 23. Ordering Replacement partsFor accurate and speedy shipment of parts, be sure to order the right parts for your model to distributor.Indicate the part numbers, descriptions, and quantities.