Installation and Maintenance Manual for the ASHCROFT Type 1305D Deadweight Tester and Type 1327D Portable Pump ® ® I&M002-10095 4/02 (250-1526) Rev.
Ashcroft® Installation and Maintenance Manual for the Ashcroft® Type 1305D Deadweight Tester and Type 1327D Portable Pump INDEX Section Description 1. Scope of Manual Safety Precautions 2. Product Description 1305 Theory of Operation Construction Specifications 3. 4. Product Description 1327 Theory of Operation Construction Specifications Inspection Installation 1305 Operation 1305 Installation 1327 Operation 1327 Factors Affecting Operation of Deadweight Testers 5. Maintenance Instructions 6.
The deadweight tester consists of a two stage hydraulic pump containing a manifold which is pressurized during operation. Integral to the pump is a shuttle valve that allows the operator to regulate the speed of pressure increase. One connection to the manifold includes a cylinder and a free-floating precision machined piston with a plate for holding calibrated weights. A second connection to the manifold accommodates a gauge or other pressure measuring device to be calibrated or checked.
Model Number psi Type 1305D-10 1305DH-10 1305D-20 1305DH-20 1305D-30 1305DH-30 1305D-50 1305DH-50 1305D-100 1305DH-100 Model Number M kg/cm2 Type 1305DM-20 1305DMH-20 1305DM-100 1305DMH-100 1305DM-150 1305DMh-150 1305DM-350 1305DMH-350 1305DM-700 1305DMH-700 Piston Assembly Pressure Range Low 15/200 75/1000 15/400 75/2000 1305DB-20 1305DBH-20 1305DB-100 1305DBH-100 1305DB-150 1305DBH-150 1305DB-350 1305DBH-350 1305DB-700 1305DBH-700 Model Number Pascal Type 1305DA-2000 1305DAH-2000 1305DA-10000 130
Pressure values produced by the pump are able to be clearly read to within ±0.25% accuracy of the span of the precision test gauge selected for testing. Certification of test gauge accuracy traceable to the N.I.S.T., is available upon request. A hand jack set, three wrenches, spare Orings, and special adapter for making connections to pressure outlets that do not accommodate cone pipe seating, are included with each unit.
Unit Of Measure psig kg/cm2 bar Pascal (kPa) Model Number 1327* 1327H* 1327O 1327D 1327DH 1327DO 1327DG-2 1327DGH-2 1327DGO-2 1327DG-6 1327DGH-6 1327DGO-6 1327DG-50 1327DGH-50 1327DGO-50 1327DG-100 1327DGH-100 1327DGO-100 1327DMG-10 1327DMGH-10 1327DMGO-10 1327DMG-40 1327DMGH-40 1327DMGO-40 1327DMG-250 1327DMGH-250 1327DMGO-250 1327DMG-600 1327DMGH-600 1327DMGO-600 1327DBG-10 1327DBGH-10 1327DBGO-10 1327DBG-40 1327DBGH-40 1327DBGO-40 1327DBG-250 1327DBGH-250 1327DBGO-250 1327DBG-600 1327DBGH-600 1327D
One Weight Box: 10 inch (25 cm) width; 10 inch (25 cm); 10 inch (25 cm) height Storage space dimensions are larger than actual size of tester carrying case and deadweight carrying case by approximately _ inch, (1.3 cm), in order to facilitate ease of handling in storage. Note: For catalog numbers 1305D, DH-100, 1305DM, DMH-150, 1305DB, DBH-700 and 1305DA, DAH700 allow storage space for two weight boxes. 3.3 Operation 1305D 3.3.
Figure 2-1 Ashcroft Portable Deadweight Tester 1305D
3.3.6 To Dismantle To replace the tester in its case, remove the gauge offset pipe assembly (64 or 66) and the piston and cylinder assembly (67 or 79). Install shipping plugs in body outlet holes. Screw in the displacement valve (41) until it stops. Close the vent plug (35). Open the release valve (37) approximately _ turn. Replace the tester in its case, reservoir last. Engage the spring clip catch. 3.3.7 General Precautions It is important that the deadweight tester be connected to a leak tight system.
towards the pump body and continue pumping to the desired test pressure. Open the release valve (37) to vent the pressure. To check operation pull the shuttle valve outward, close the release valve and operate the pump handle several times. When handle resistance is felt, push the shuttle valve inward and continue pumping within the range of the test device. Entrapped air will prevent the pump from operating in the high pressure valve position or cause it to achieve only partial pressure.
is affected somewhat by temperature, and by the elastic distortion of the piston and cylinder when pressure is being applied. The effective area of a stainless steel piston and cylinder increases approximately .068% with a 50 degree F (28 degree C) change in temperature. The pressure will, therefore be less than indicated at high temperatures. 4.4 Mass, Height, and Buoyancy The density of air at room temperature and sea level pressure is about 0.0012 grams/c.c.
d. Unscrew shuttle valve plug (43) and remove O-ring packing (27). e. Remove check valve spring (14) and check valve (44). f. Remove O-ring packing (15) from check valve (44). 5.7 Removing Bleeder Valve and Check Valve Assembly a. Unscrew bleeder valve (51) b. Unscrew bleed plug (50) and remove O-ring packing (27). c. Remove valve spacer (29) check valve spring (14) and check valve (44). d. Remove O-ring (15) from check valve (44). 5.8 Removing High Pressure Check Valve a.
Figure 2-2 Ashcroft Portable Test Pump – Type 1327D
e. Slide check valve (44) and check valve spring (14) into body assembly (2). 5.20 Replacing Reservoir and Fill Tube a. Replace plug (22). b. Replace fill tube assembly (21) and O-ring packing (27). c. Replace O-ring packing (21) on body assembly (2). d. Replace reservoir (5) using three screws (24). e. Replace filler plug (35) and gasket (36) on body. 5.21 Replacing Pump Handle and Piston a. Replace piston sleeve (6) and O-ring packing (45, 16) and back-up washers (46, 17) in body assembly (2). b.
5.4 Troubleshooting Chart Symptom Case Pressure does not build up when pumping handle. Insufficient fluid level in reservoir. Corrective Action Add fluid. Piston O-rings worn or ruptured. Inspect O-rings and replace as necessary. If O-rings are new, verify their fluid compatibility. Bleed port check valve or shuttle check valve inoperative. Inspect O-rings and replace as necessary. Fill tube assembly Remove and clean and filter plugged. fill tube assembly. Refill reservoir with clean fluid.
4A
REPLACEMENT PARTS – D SERIES – BLUE COLOR PORTABLE DEADWEIGHT TESTER – TYPE 1305D PORTABLE TEST PUMP – TYPE 1327D Item No. 2 3 4 4A 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37a 37b 37c 38 39 40 41 41a 41 b 41c 41d 41e 42 43 44 45 46 50 51 52 58 Qty. Per Asmy. 1 1 1 1 1 1 1 4 2 1 1 1 1 3 4 1 1 1 2 1 1 1 1 3 3 1 6 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 3 1 1 1 1 1 1 Part No.
AVAILABLE WEIGHTS & WEIGHT SETS INDIVIDUAL WEIGHTS Pressure Range Part Number Units Low High LF199D LPF462 LAZ199D LAZ199 LAZ199A LAZ199B LAZ199C psig psig psig psig psig psig psig 1 2 5 10 20 40 100 5 10 25 50 100 200 500 PSI WEIGHT SETS Number of Weights by High Pressure Value Part Number Weight Set with Carrying Case 25 psi 50 psi 100 psi 200 psi 500 psi LBH199C 1000 psi 1 3 2 3 – LBH199B 2000 psi 1 3 2 3 2 LBH199A 3000 psi 1 3 2 3 4 LBH199* 5000 psi 1 3 2 3 8
Ashcroft Inc. Sales and Customer Service Locations World Headquarters U.S.A. Ashcroft Inc.250 East Main Street Stratford, CT 06614-5145 U.S.A. Tel: (203) 378-8281 Fax: (203) 385-0408 (Domestic) Fax: (203) 385-0357 (International) email: info@heise.com www.ashcroft.com International Operations Brazil (Willy Plant) Willy Instrumentos de Medicao e Controle Ltda. An Ashcroft Inc. Company Rua Senador Vergueiro No.
