Caution: This document contains mixed page sizes ... - Igor Chudov

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.. . . GENERAL Disassembly and reassembly of .the PTO and two bearing akernators are nearly identical. The difference involves the drive end and the controls. Use the appropriate Parts Catalog and Wiring Diagrams as aids in reassembling the control box hardwareand the alternatoroutput and control leads. The following items require disconnecting and removal before disassembly of gear case and alternator: Disconnect engine PTO shaft. Remove control box cover. 0 Disconnect alternator output leads from control components. Disconnect exciter leads F1 and F2 at printed circuit board. Remove control box from alternator. ALTERNATOR REPAIR 2. Remove gear case drain plug and allow oil to drain, Figure 48. Use a new gasket when replacing gear case cover. GEAR CASE DISASSEMBLY The gear case cover is drained of oil and removed from the unit for two purposes: (a) gear, bearing, or shaft replacement; and (b) to provide a flat end for supporting the alternator during disassembly and reassembly. 1. Remove PTO guard by loosening three 5/16 x 1/2-inch locking screws, Figure 47. FIGURE 48. DRAINING GEAR CASE GUARD PLATE PTO SHAFT TUMBLING ROD . . FIGURE 47. GEAR CASE ASSEMBLY 47 - RETAINING RING IR OUTLET GRILL f
3. Removesix5/16x l-inch capscrewsandWo5/16 - l-l&inch cap screws and gear case plate, Fig- ure 49. To assure a good seal always we a new gear case gasket when gear case plate Is assembled. FIGURE 49. GEAR CASE PIATE REMOVED 4. If necessary, remove seal and snap ring from around input shaft, Figure 50. Oldseal mutt be replaced with a new sealwhen reassembled A 5. Block up gear case plate as shown in Figure 51 and tap PTO shaft out of plate. FIGURE 51. REMOVAL OF PTO SHAFT FROM GEAR CASE PLATE 6. Remove snap ring and tap bearing through gear box plate, Figure 52 FIGURE 50. INPUT SHAFT SEAL AND SNAP FIGURE 52 GEAR PLATE BEARING REMOVAL RING REMOVAL 48
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Caution: This document contains mix
Page 3 and 4:
The following symbols in this manua
Page 5 and 6:
FLOW CHART A. NO AC OUTPUT VOLTAGE
Page 7 and 8:
STMT Check exciter stator winding p
Page 9 and 10:
-1 Contact with high voltage can ca
Page 11 and 12:
The preferred test is with a megger
Page 13 and 14:
are given in Table 1 (lead length b
Page 15 and 16: L - Wiring Harness Check Stop engin
Page 17: T I I I I I I I - I I I I I I I I I
Page 21 and 22: GENERAL This manual contains troubl
Page 23 and 24: generator adapter. The brushless ex
Page 25 and 26: Is control panel field breaker CB21
Page 27 and 28: FLOW CHART D. AC OUTPUT VOLTAGE BUI
Page 29 and 30: GENERAL All of the following Adjust
Page 31 and 32: . FIGURE 6. MSHlNGTHEFiELD voltage
Page 33 and 34: MULTIMETER FIGURE 11. SCR VOLTAGE T
Page 35 and 36: TABLE 2 RESISTANCE VALUES FOR ROTOR
Page 37 and 38: VOLTAGE REGULATOR The line-voltage
Page 39 and 40: VI v2 v3 v4 - VI v2 v4 VI v2 \R v4
Page 41 and 42: START Is control panel field breake
Page 43 and 44: . FLOW CHART D. EXCITER FIELD BREAK
Page 45 and 46: GENERAL All of the following Adjust
Page 47 and 48: The winding schematic (Figure 25) s
Page 49 and 50: CONTACT ONE PROD TO EACE OF M E FIE
Page 51 and 52: [a1 RECONNECTION WIRE W12 Figure 36
Page 53 and 54: 1201240 VOLT, 1 PHASE, 60 HERTZ NAM
Page 55 and 56: ASSEMBLY 9. Torque down rotor-throu
Page 57 and 58: . Starting Watts ..................
Page 59 and 60: WIRING CONNECTIONS, 15-25 kW SINGLE
Page 61 and 62: PERIODIC SERVICE AND INSPECTION SER
Page 63 and 64: I I I I CYRZI-2 I 7821-1 I - I t I
Page 65: NOTE: For detailed troubleshooting
Page 69 and 70: 4. Remove end bell by tapping upwar
Page 71 and 72: 9. Remove rotor and fan .by using a
Page 73 and 74: 14. If bearing, shaft, or oil seal
Page 75 and 76: AC .AMMETERS WATER TEMPERATURE GAU
Page 77 and 78: ENGINE CONTROL SYST.EM OPERATION De
Page 79 and 80: Umlt cranking 15 to 20reconds to co
Page 81 and 82: RADIATOR-COOLED DIESEL SETS The con
Page 83 and 84: Start-Disconnect Sequence When cran
Page 85 and 86: a a W a 9 W z f 66 6 b w a 3 0 E
Page 87 and 88: START Does fuel transfer pump El an
Page 89 and 90: CONTROL COMPONENT CHECKOUT The foll
Page 91 and 92: WIRING DIAGRAMS The wiring and sche
Page 93 and 94: I I I L I I m 74
Page 95 and 96: I 1 ' t I I U
Page 97: IW I- CE o_ u) z I It I 3 w
Page 100 and 101: I I I I I I I I 3 $1 :I a 1 I I tl
Page 102 and 103: P 83
Page 104 and 105: - --1 I" .- I . I - 1 85
Page 106 and 107: 87 ~ " - .I \ e 6 a i- z 0 0 a E a
Page 108 and 109: I I I I I I I I I 7 6 Et 4 3 2 I RE
Page 111: Onan Corporation 1400 73rd Avenue N
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Caution: This document contains mixed page sizes ... - Igor Chudov

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