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Ingersoll-Rand 7790-A manual

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Table of contents for the manual

  • Page 1

    Form 10590149 Edition 2 September 2005 HOISTS Series 7790-A & 7792-A Operator ’ s Manual Save These Instructions[...]

  • Page 2

    2 Form 105 90149-Editi on 2 Safety Information Operating Precautions T o aid the operator’s underst anding of p roper and safe use of hoists, the public ation “O VERHEAD HO ISTS”, ANSI B30. 16-1981, can be purchas ed from: American S t andards In stitute, Inc. 1430 Broadwa y New Y ork, New Y ork 10018 • Do not use the hoist describ ed in th[...]

  • Page 3

    Form 1059014 9-Edition 2 3 Adjusting Brake • Proper ly attach rat ed load of ho ist to load ch ain hook. • Slowly raise load to 6” height above floor by slowly pull ing pull chain han dle or depressing pendent contr ol. • Release pull c hain handle or penden t control. • If load starts to lower , tighten br ake adjust ment by turni ng cou[...]

  • Page 4

    4 Form 105 90149-Editi on 2 Routine Inspection The type of application for a hoist va ries so greatl y it is impractical to recom mend an exact time -table for inspection of the hoist. Wher e hoist is subjec ted to continuous op eration with capacity loa ds, it is recomm ended the un it be inspecte d twice a week. If the applicat ion is less dema n[...]

  • Page 5

    Form 1059014 9-Edition 2 5 Maintenance Dissassembly Head Disassembly T o remove head section from h ousing with out disassembling head componen ts, remove head with co ntrol rod (59) attached to gear (25). T o accomplish this - - Remove two screws ( 96) and housin g cap (95). - Drive out rol l pin (61) and re move brake blo ck (60). - Drive out rol[...]

  • Page 6

    6 Form 105 90149-Editi on 2 - Assemble motor to housin g. - Lubricate and a ssemble o-rin gs (35) into co unterbore of end plate (3 8). - Assemble new ga sket (31) and head to hou sing. Brake and Gearing Disassembly - Remove two screws (96) an d housing ca p (95). - Carefully s lide brake spr ing (94) p art way off brake shoes (92) and u sing brake[...]

  • Page 7

    Form 1059014 9-Edition 2 7 Upper Hook Disassembly - Remove nuts (153), washers (1 52) and bracket (150 ). - Drive out rol l pin (147) - One-T on Mode ls. Roll pins (155) and (154) - T wo-T on Models . - Remove coll ar (143) and balls (144) - One -T on Models. Coll ar (1 16), thrust bear ing (120) and b earing races (1 19) - Two-T on Mod els. Upper [...]

  • Page 8

    8 Form 105 90149-Editi on 2 CAUTION: TIGHTEN NUTS 25 TO 30 FT . LBS. TORQUE ONL Y . 96 95 94 92 92 91 91 88 85 191 190 189 187 186 188 187 186 187 188 186 187 187 189 190 191 189 193 191 189 193 192 189 193 84 81 80 78 76 77 76 74 73 70 58 57 56 55 46 47 54 53 52 59 60 61 71 72 75 76 77 76 78 79 82 83 85 86 87 89 104 103 101 106 105 108 109 11 0 11[...]

  • Page 9

    Form 1059014 9-Edition 2 9 62 156 180 157 158 159 160 161 162 163 164 165 166 167 174 175 176 177 178 179 173 172 170 168 169 171 181 182 183 184 185 152 ( 2-TON MODELS) 123 ( 1-TON MODELS) 149 122 ( 2-TON MODELS) 148 ( 1-TON MODELS) 150 153 144 143 119 116 120 151 152 153 154 155 147 CAUTION : TIGHTEN NUTS 25 TO 30 FT . LBS. TORQUE ONLY . ++ ASSEM[...]

  • Page 10

    10 Form 105 90149-Editi on 2 Part s L ist Sl. no. Description Part no. Sl. no. Description Part no. Head Assemb ly (standard models) in cludes items 1 thru 2 1, 24 thru 30, 33 and 34 with adapter (4 621 1) 46126-2 MOTOR AS SEMBL Y (includes items 3 6 thru 45) 42977 * 36 Retainin g Ring Y145-22 Head Assembly (spa rk-re sistant models) (includes item[...]

  • Page 11

    Form 1059014 9-Edition 2 11 Parts List Sl. no. Description Part no. Sl. no. Description Part no. * 74 Cotter Pin Y15-32 1 15 Bear ing Race 43041 75 Carrier 42965 1 16 Collar 43032 76 Bearing Race (4 req'd ) 42364 1 17 R oll Pin Y178-128 77 Gear (2 req'd) 42971 1 18 Roll Pin Y178-1 17 78 Shaft (2 req'd) 42973 1 19 Bearing Race (2 re q[...]

  • Page 12

    12 Form 105 90149-Editi on 2 Part s L ist Sl. no. Description Part no. Sl. no. Description Par t no. 147 Roll Pin Y178-122 173 Screw (4 r eq'd) Y61-8 5-C * 148 Safety Latch (includes b olt, nut and spring) 35023 174 Connector (3 re q'd) Y54-2 149 Hook 175 Handle 43122 S teel Hook for stand ard 1 ton mo dels 34337 176 Roll Pin (2 req’d) [...]

  • Page 13

    Form 1059014 9-Edition 2 13 Model Identification Sp ark Resistant Models * FOR TROLLEY MOUNTING - TROLLEY MUST BE ORDERED SEP ARATEL Y ** ST AINLESS STEEL LINK C HAIN AND BRON ZE HOOKS. Model No. Upper Mounting T ype Control T ype Load Chain Lbs. (Kg.) Capacity 7790-A9 Hook Ass’y 43002 Pull Ch ain Link 2,200 (1000 Kg) 7790-A1 1 None * Pull Chain [...]

  • Page 14

    14 Form 105 90149-Editi on 2 Notes[...]

  • Page 15

    Form 1059014 9-Edition 2 15 Notes[...]

  • Page 16

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