Instructions Stainless Steel Air Motor Conversion Kits 309643B Conversion Kit 246450 For 1040 Pumps Conversion Kit 246451 For 1590 Pumps Conversion Kit 246452 For 2150 Pumps Model 246450 Model 246451 Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2002, Graco Inc. is registered to I.S.
Installation Installation Pressure Relief Procedure Installation Tools Required • Torque wrench • 10 mm socket wrench (1040) PRESSURIZED EQUIPMENT HAZARD • 13 mm socket wrench (1590 & 2150) The equipment stays pressurized until pressure is manually relieved.
Installation Metal Fluid Section Pumps 2 Apply medium-strength (blue) Loctite or equivalent to the threads, and torque to 120-150 in-lb (14-17 N.m). Arrow (A) must point toward outlet manifold (103). 3 Beveled seating surface must face the ball (301). 4 Not used on some models. 1 Disassembly of Inlet and Outlet Manifolds 1. Relieve the pressure, see page 2. Disconnect all hoses. 2. Remove the pump from its mounting. 1040 Model Shown 3.
Installation Disassembly of Fluid Covers 1. Remove the screws (106) holding the fluid covers (101) to the air covers (23). Pull the fluid covers (101) off the pump. See FIG. 2. 2. Loosen but do not remove the diaphragm shaft bolts (107) on both ends. 3. Unscrew one bolt from diaphragm shaft (24) and remove the o-ring (108), fluid side diaphragm plate (105), PTFE diaphragm (403, used on PTFE models only), diaphragm (401), and air side diaphragm plate (104). See FIG. 3 4.
Installation . 105 2 19 107 5 402 1 403 3 1 24 4 104 401 2 3 6 1 Cutaway View, with Diaphragms Removed Cutaway View, with Diaphragms in Place 24 4 104 2 401 3 403 3 6 105 2 108 107 5 1 24 4 1 Lips face out of housing (1). 2 Rounded side faces diaphragm (401). 3 Air Side must face center housing (1). 4 Grease. 5 Apply medium-strength (blue) Loctite® or equivalent. Torque to 20-25 ft-lb (27-34 N.m) at 100 rpm maximum. 6 Used on pumps with PTFE diaphragms only. FIG.
Installation Reassembly of Fluid Covers 1. Install the diaphragm assembly on one end of the shaft as follows: a. Install new o-ring (108), provided with kit, on the shaft bolt (107). b. Install the fluid side diaphragm plate (105) on the bolt so the rounded side faces the diaphragm (401). c. On PTFE models only, install the PTFE diaphragm (403) with the side marked AIR SIDE facing the center housing (1). d.
Installation Plastic Fluid Section Pumps 1 Torque to 80 to 90 in-lb (9 to 10 N.m) Disassembly of Inlet and Outlet Manifolds 2 Arrow (A) must point toward outlet manifold (103). 1. Relieve the pressure, page 2. Disconnect all hoses. 3 Not used on some models. 4 Beveled seating surface must face the ball (301). 2. Remove the pump from its mounting. 3. Remove the bolts (106) holding the outlet manifold (103) to the fluid covers (101). See FIG. 4. 106 4.
Installation Disassembly of Fluid Covers 1. Remove the screws (106) and (112) holding the fluid covers (101) to the air covers (23). Pull the fluid covers (101) off the pump. See FIG. 5. 2. Unscrew one outer plate (105) from diaphragm shaft (24), diaphragm (401), and air side diaphragm plate (104). See FIG. 6. 3. Pull the other diaphragm assembly and the diaphragm shaft (24) out of the center housing (1). Hold the shaft flats with a open end wrench, and remove the other outer plate (105) from the shaft.
Installation 19 105 24 4 104 2 1 2 403 1 402 3 6 1 401 3 24 4 104 2 401 3 403 3 6 105 5 1 24 4 1 Lips face out of housing (1). 2 Rounded side faces diaphragm (401). 3 Air Side must face center housing (1). 4 Grease. 5 Apply medium-strength (blue) Loctite® or equivalent. Torque to 20-25 ft-lb (27-34 N.m) at 100 rpm maximum. Used on pumps with PTFE diaphragms only. 6 FIG.
Installation Reassembly of Fluid Covers 1. Inspect the wrench flats on the shaft (24) for burrs that could damage the air motor seals (402). Use a file to remove any burrs. medium-strength (blue) Loctite or equivalent to the threads of the screws (106) and (112). Place the bolt caps (113) on the longer screws (106). Secure the covers with the screws handtight. See FIG. 2. 2. Grease the length and ends of diaphragm shaft (24), and slide it through the new Stainless Steel Plus housing (1). 6.
Installation 309643B 11
Graco Standard Warranties Graco Standard Husky Pump Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of five years from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
