File - RSW Products, Inc.
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1. Assembly Part No C P 22006 in place and turn the cylinder back into position between the brackets and set it so the bushing bores are in line with the slots in the brackets The cylinder boss position numbers should correspond with the bracket arm position numbers per Hamilton Standard Propeller Service Manual 110D Section VI Page 107 Counterweight Bearing Assemblies Line up cylinder with counterweight brackets HSP Part No 50390 51430 or 50605 Insert the RSW Counterweight Shaft Assembly Units consisting of RSW Outer Bearing Race Part No C P 22004 2 and RSW Shaft Part No C P 22002 2 through the counterweight bracket arms and then through the RSW Thrust Washers Part No C P 22005 and the RSW Thrust Bearing Assemblies Part No 22006 Cylinder Centering Guide NOTE Assemble propeller minus cylinder and piston assembly per HS manual 1 10D See Fig 1b 1 Install cylinder assembly with piston and RSW Piston Crown in place but without the seal into the propeller barrel See Figures 2a amp 2b 2 Shim in 4 or 6 places between O D of RSW Piston Crown and I D of cylinder liner so the cylinder is positioned in the absolute center of the hub to insure no wedging or seizing occurs during propeller operation See Figure 3 3 Ascertain that the flat sides of the cylinder are parallel with the inboard sides of the counterweight brackets 4 Select appropriate RSW C P 22005 thrust washer thickness with the aid o2. roughness scoring or corrosion within acceptable tolerances should be smoothed out Refer to Cleaning and Inspection sections in Hamilton Standard Propeller Service Manual 1 10D as applicable Pages 63 75 Particular attention needs to be paid to the shim plate and thrust washer face of the counterweight bracket If it is galled or worn it should be reworked as instructed in HSP Manual 110D pages 67 2 a 1 through b and page 76 6 a and b An uneven surface will prevent maximum efficiency of operation and will lead to excessive wear of the thrust washer and its coated surface Itis also highly recommended that the counterweight bracket bearing slot and counterweight bracket shim plate and thrust washer face be coated with Trebor for better surface compatibility INSTALLATION 1 Counterweight Thrust Bearing Assembly Part No C P 22006 Raise and move the cylinder so that the RSW Bushing Counterweight Bearing Shaft Part No C P 22001 2 is away from the bracket arms and then rest it on the brackets Insert the RSW Bearings Part No C P 22006 which replace Hamilton Standard Bearings Part No 52771 as illustrated in Hamilton Standard Propeller Service Manual 110D Section VI Page 107 yy Thrust Washers Install the RSW Thrust Washer Part No C P 22005 against the face of the RSW Counterweight Thrust Bearing Assembly Part No C P 22006 Hold the RSW Thrust Washer Part No C P 22005 and the RSW Thrust Bearing
3. ILY RSW Cylinder Bushing P N C P 22001 2 installed I A W S T C No SP7836SW and RSW Cwt Brg amp Shaft Assembly P N C P 22000 installed I A W S T C No SP8467SW SP8468SW SP8469SW or SP8470SW per RSW Install Instr No 22000 I The RSW Counterweight Bearings amp Shaft Assembly Kit Part No C P 22000 and the RSW Bushing Cwt Bearing Shaft Part No C P 22001 2 should be replaced at overhaul or after 1200 hours Figure la The RSW counterweight bearing and shaft assembly kit pictured alongside an already modified cylinder Note the size of the threaded bushing Figure 1b This propeller hub and blade assembly has been assembled per HSP Manual 110D and is now ready for installation of the RSW counterweight bearing and shaft kit Note the selection of thickness gages on hand for proper installation Figure 2a Without using the seal install the cylinder and piston into the barrel assembly _llustrasiqiak ole Figure 2b Here the piston is being hand tightened with an installation tool Figure 3 Shim in 4 or 6 places between the O D of the piston crown and the I D of the cylinder liner so that the cylinder is positioned in the exact center of the hub This is very Important to insure correct installation Figure 4 With the counterweight shaft assembly finger tight use your go no go gages to check the clearance between the thrust washer and the inboard side of the counter weight a
4. RSW PRODUCTS INC 2161 Cromwell Houston Texas 77093 Tel 281 590 6428 Fax 281 590 6739 Installation Instructions For RSW Counterweight Bearing amp Shaft Assembly Kit Part No C P 22000 7 10 1999 S T C No SP09397SC issued 11 18 92 INSTALLATION INSTRUCTIONS NO 22000 I Instructions For The Assembly and Installation of RSW Counterweight Bearings amp Shaft Assembly Kit Part No C P 22000 in Place of the Hamilton Standard Propeller HSP Bearing and Shaft Assemblies in Hamilton Standard Propellers Model No 2D30 12D40 2E40 and 3D40 NOTE This unit is designed to fit RSW Cylinder Shaft Bushing Part No C P 22001 2 which replaces the HSP Bushing Counterweight Bearing Shaft Part No 51124 ESSENTIAL REFERENCE MATERIALS l Hamilton Standard Service Manual No 110D Counterweight Propellers RSW Drawing No C T 37200 and RSW Installation Instructions No 2200A If cylinder first needs to be modified per S T C No SP7836SW dated 6 11 91 and RSW Bushing Part No C P 22001 2 installed PREPARATORY REQUIREMENTS PRIOR TO INSTALLATION Disassemble the propeller in the manner specified in the HSP Service Manual 1 10D Section VI Pages 61 62 to make removal of the counterweight bearing shaft and thrust assemblies possible For re assembly the following as applicable HSP parts will not be required HSP Part No NOT REQUIRED Part Name l 53599 51777 51776 or 53215 Counterweight Bearing Retainer
5. Spacer fi 50029 or 53216 Counterweight Bearing Race Outer D 51792 or 53214 Counterweight Bearing Retainer Assembly 4 50027 or 53213 Counterweight Bearing Race Inner 5 50358 or 53546 Counterweight Bearing Shaft 6 51129 51129 15 or 51129 30 Thrust Washer 52771 Thrust Bearing Assembly At this point if not already accomplished it is necessary to have the cylinder modified in accordance with S T C No SP7836SW to incorporate the RSW Cylinder Shaft Bushing Part No C P 22001 2 which replaces the HSP Bushing Counterweight Bearing Shaft Part No 51124 Units must be installed replaced in full sets only See Figure 1a The following RSW parts will replace the above HSP parts in the course of the installation of the RSW Counterweight Bearings amp Shaft Assembly Kit Part No C P 22000 RSW Parts REQUIRED A B NOTE C P 22002 2 C P 22004 2 C P 22005 0 thru C P 22005 30 C P 22006 Part Name Counterweight Bearing Shaft Silver Plated Counterweight Outer Bearing Race Silver Plated Trebor Coated Thrust Washer Silver Plated Trebor Coated Thrust Bearing Assembly Matched Set Silver Plated Trebor Coated Items A and B are factory pre assembled INSPECTION REQUIREMENTS PRIOR TO INSTALLATION All visible parts regardless of disassembly requirements should be visually examined for damage excessive wear corrosion and correctness of fit All surfaces and edges that have nicks burrs
6. f the 006 GO horseshoe shaped gage and the 008 NO GO gage with the counterweight shaft assembly installed loosely See Figure 4 5 Test at the bottom and top of the counterweight arm to insure that the counterweight arm 1s installed correctly concentric on the blade butt the assumption here is that the counterweight arm has been inspected and found to be in tolerance for straightness and wear according to HSP Manual 110D 6 Fit the RSW C P 22000 counterweight shaft amp bearing assembly with the aid of the gage washers See table on Page 5 of these instructions Gage Washers 7 Slip gage washer over counterweight shaft for clearance between counterweight shaft outer bearing race inboard and bottom of counterweight bracket bearing track outboard See Figures 5a amp 5b 8 Fit counterweight shafts by means of grinding or filing the ends of the shafts as necessary When the counterweight shaft with the gage washer in place 1s torqued against the steel stop in the bottom of the cylinder the outer counterweight shaft bearing race which is positioned in the counterweight bracket slot must rotate when turned between the thumb and index finger After all the counterweight bearing shaft assemblies have been torqued with the spacer gages in place to the point where the outer counterweight shaft bearing races can still be turned remove the spacer gages one at a time See Figure 6 At this time coat brush the counterweight bea
7. ring shaft part no C P 22002 2 the counterweight outer bearing race part no C P 22004 2 and the counterweight bracket arm outboard counterweight bearing slot with a good anti seize lubricant such as Fel Pro Moly Paste P N 51048 or equivalent Reinstall and safety See Figures 7a amp 7b Note See HSP Manual 110D Page 31 Table Gage Washers Gage Washer Thickness ONS O12 O18 O22 to 024 Cwt Cap Weight Lbs 0 23 0 63 1 40 2 56 Cwt Cap Weight Grams 104 284 630 1152 Remarks A counterweight bracket which conforms to the manufacturer s original specifications at approximately 2200 rpm develops a centrifugal force which deflects the bracket This force must be compensated in order to achieve smooth operation The table below shows the available sizes and dimensions of the RSW Thrust Washers TABLE I Specifications of RSW Counterweight Thrust Washers Part No Thickness O D I D C P 22005 0 082 086 L553 Seve 756 776 CP 22005 5 087 091 55 73 156 776 C P 22005 10 092 096 1 5553 T3 756 776 C P 22005 15 097 101 1 553 1 573 756 776 C P 22005 20 102 106 1 553 1 573 156 776 C P 22005 25 107 111 es foye aaa laos 156 776 C P 22005 30 112 116 1 553 1 573 756 776 Apply the following decal to the outside of the modified cylinder after completing installation of the RSW Counterweight Bearings amp Shaft Assembly Kit Part No C P 22000 GREASE DA
8. rm Figure 5a Fit the counterweight shaft amp bearing assembly with the aid of a gage washer Here a mechanic slips the gage washer over the shaft before torquing it down Figure 5b Torque the shaft and bearing assembly down with the gage washer in place Figure 6 ate With the gage washer still in place check the fit by trying to rotate the bearing Remember to remove the gage washer once all fitting has been accomplished Figure 7a Grease the shaft including where the bearing seats against the shaft head with anti seize lubricant Fel Pro moly paste p n 51048 or equivalent Figure 7b Grease the bearing slot of the counterweight arm where the bearing will ride with an anti seize lubricant such as Fel Pro moly paste p n 51048 or equivalent Reinstall the counterweight bearing shaft amp outer bearing race amp torque against the steel stop in the bottom of the cylinder bushing hole then secure the counterweight bearing shaft with a cotter pin
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