.

.

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MODEL 325 ~EGE~~

RC-325-I-1000, ORIGINAL PLAIN MACHINE.

RC-325-I-1001 , MACHINES WITH LOADLESS STARTING

RC-325-I-IOOZ, MACHINES WITH PILOT UNLOADER

RC-325- 1-1003, MACHINES WITH HANG UNLOADER.

RC-32 5-1-1004, MACHINES WITH CLUTCH ASSEMBLY, 14’’PULLEY. ‘

RG-325-I-1005, MACHINES WITH CLUTCH ASSEMBLY. 16’’PULLEY.’

RC-325-2-10136, PILOT UNLOADER CHANGE. (9-1-50)

:.o 5019-x PILOT ASSEMBLIES REPLACED BY PILOTS N0.5280-X2,

5Z80-K3 OR 52S0-X4. 5280-X ASSEMBLIES WILL INTERCHANGE WITH

ASSEMBLIES 3254 AND 5018-X.

RC-325-3-1007, PILOT UNLOADER CHANGE(S- 1-51)

NO. 528o-x PILOT ASSEMBLIES REPLACED BY PILOTS NO. 3254-X2.

32 S4-X3 GR 3254-X 4. 3254-X ASSEMBLIES WILL INTERCHANGE WITH

LNY PREViCUS ASSEMBLIES.

RC-325-4-iOO 8, L. F! DiSCHARGE VALVE AND iNTAKE & DIS-CHARGE COVER PLATE CHANGE (1-15-54)

01SGH4RGE BUMPER NO 1820 REPLACED 0? BUMPER NO. 5747STUD NO.1851 REPLACED BY PGST NO. 5?46. HOLD DOWN SCREWNO. 2622 AND NUT NO.2623 REPLACED BY HOLD DOWN SCREW NO.5745 ANDUUT NO.5744 lNTdKE COVER PLhTE NO.1816 ANDDISCHARGE CCIVEi? PLATE NO 3115 REPLACED BY COVER PLATENO 5739. !5PCCER NO. 5742 ADDED COTTER PIN NO.1661 ELIMNATED

RC-325-4-1009, MACHINES WITH LOADLESS STARTiNG,

RC-325-4-i 010, MACHi NES WITH. V.D. PILOT UNLOADER.L P INTAKE UNLOADER TYPE COVER PLATE NO 1917 uSEDI N PLACE OF COVER PLATE NO. 5739 SPACED ‘NO 5742ELIMINATE21

RC-325-4-iOll, MA(2HiNES WiTH HAND UNLOADER.

RC -325 -5-i Oi2, PILOT UNLOADER CHANGE. (8-l-56)

NO. 3254-X PILOT ASSEMBLY REPLACED BY PILOT NO. 6168-X.

NO. 6168-X Wlb L INTERCHANGE WITH ANY PREVIOUS ASSEMBLY.

sHEET NO. I

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MODEL 325 LEGEND

w No. CHANGE DWG. NO. TYPE MACHINE RG NO CHANGE DWG. NO.FOR CONNECTING ROD REPAIRS ON MACHINES

TYPE MACHINE

BUILT UNDER ANY RECORD UP TO AND INCLUDINGNO.5, USE CONNECTING ROD NO, 1629-B WITHBUSHING NO.6455 ON THE LOW PRESSURE SIDE.USE CONNECTING ROD NO. 1829-B-H.I? WITH

JOTE BUSHING NO.6453 ON THE HIGH PRESSURE SIDE.CRANKPIN LINER BEARINGS N0.2827AND-2828ARE USED ON BOTH THE LOW AND HIGH PRESSURECONNECTING RODS. WHILE IT IS NOT ABSOLUTELYNECESSARY, IT IS RECOMMENDED THAT THESERODS BE REPLACED IN PAIRS.

BEGINNING WITH CHANGE RECORO N().6 THE 30020 PLAIN MACHINESPLASH TYPE LUBRICATION SYSTEM IS REPLACEDBY A VANE TYPE OIL PUMP. THIS CHANGES 30021 HAND UNLOADER;::T:NTIRE LUBRICATION SYSTEM 4NDRELATE0

30022 LOADLESS STARTING

ON LOADLESS STARTING-MACHINES THE 3 30023 V.D. PILOTWAY VALVE NO.3444 IS REPLACED BY HYIX?AULICuNLOAOER NO.6278-X. THIS ELIMINATES THEc ENTRIFUGAL UNLOADER FLYWEIGHTS ANEI

30024 DUAL CONTROL

RELATED PARTS. 30025 DUAL CONTROL WITH VALVE

L.P. SUCTION VALVE ASSEMBLY ND.20G3.X6 REPLAGED BY SUCTION VALVE ASSEMBLY 1815-X.

ON L.l? SUCTION AND DISCHARGE VALVEASSEMBLIES COVER PLATE NO.5739 REPLACEDBY COVER P’LATE NO. 5906. SPACER NO.5742REPLACED BY5918. VALVE HOLD DOWN SCREWSN0.5745 AND NUTS NO.S744 REPLACED BYHOLD DOWN SCREW NO.5916 AND NUT NO.2623.

ON MACHINES WITH V.D. PILOT UNLOADER TYPEcOVER PLATE NO.IB17 REPLACEb BY COVER PIATEN0.5907 AND DIAPHRAGM UNLOADER BODY NO.5 908. UNLOADER KICKOFF PIN N0.2066REPLACEDBY PIN NO.IB57. UNLOADER PISTON NO.1880E LIMINATED. DISC NO. 5910, LOCKSCREW NO.5 909 AND PLUNGER PIN NO. 5920 ADDED.8-8-57

FOR CONNECTING ROD REPAIRS ON MACHINESBUILT UNDER CHANGE RECORD NO.6 USEc ONNECTING ROD NO.6442 WITH BU~HlN6 NO.6443oN THE-LOW PRESSURE SIOE. USE CONNECTINGR00 NO. 6442-HI? WITH BUSHING NO.6440 ON

3TE T HE HIGH PRESSURE SIDE. CRANKPIN LINERBEARINGS NO.6444 SHOULD BE USED ON BOTHT HE LOW AND HIGH PRESSURE CONNECTING RODS.IT IS RECOMMENDED THAT THESE RODS SERE PLACED IN PAIRS.

LOW PRESSURE COflNECTING ROD NO.IB29-A 3 0020-1 PLAIN MACHINEWITH BUSHING NO.IB35 REPLACED BY CONNECTINGROD NO.6442 WITH BUSHING NO.6443. HIGH 30021-1 HAND UNLOADER

7PRESSURE CONNECTING ROD NO.IB29-A.H.P WITHau SHING NO.1646 REPLACED BY CONNECTING ROD 30022.1 LOADLESS STARTINGNO 6442-HI? WITH BUSHING NO.6440. LOWANDHIGH PRESSURE LINER BEARINGS NO. 2S28 30023-1 V.D. PILOTRE PLACED BY LINER BEARINGS N0,6444.

30024-1 DUAL CONTROL

1-15-58 30025-1 DUAL CONTROL WITH VALVE SHEET 2

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QUINCY COMPRESSOR CO., QUINGY , ILL.

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QUINCY MODEL 325 SIZE 4&k2!h X 3 AIR COMPRESSOR

QUINCY COMPRESSOR CO., QUINCY , ILL.

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RC-325-6

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