EXPLODED VIEW SHORT BLOCK – Jacks Small Engines

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Generac GN-190/220 Engine


EXPLODED VIEW -- SHORT BLOCK




                            -- 14 --
                              Generac GN-190/220 Engine


                              SHORT BLOCK



ITEM   DESCRIPTION                  PART NO.      QTY.         ITEM   DESCRIPTION                PART NO.   QTY.
N/A    Long Block Assembly          21942E        1             28    M8-1.25 x 35mm Screw       89230      6
       (190cc used with Item 8A)                                29    Spring Washer              99922      1
       Long Block Assembly          21943E        1             30    Valve Spring Retainer      A1720      Use kit D2489
       (190cc used with Item 8B)                                31    Valve Spring               88401      Use kit D2489
       Long Block Assembly          21944E        1             32    Valve Spring Wear Washer   84186      2
       (220cc used with Item 8A)                                33    Geroter Set                83192      1
       Long Block Assembly          21945E        1             34    "O" Ring                   86254      1
       (220cc used with Item 8B)                                36    Cylinder Head Assembly     21705B     1
 1     Control Rod Assembly         78621         1             37    Exhaust Valve              90082      Use kit D2489
 2     Piston Pin                   76389         1             38    Intake Valve               90081      Use kit D2489
3A     Piston Ring Set [190cc]      78660         1             39    Push Rod                   88396A     2
3B     Piston Ring Set [220cc]      88411         1             40    Tappet                     83235      2
 4     Gear Cover Assembly          A8897A        1             41    Oil Pick-up Assembly       80336      1
 5     M8 x 52mm Head Bolt          77168         5             42    Rocker Cover Gasket        96362      1
6A     Piston [190cc]               90325         1             43    Pivot Ball Stud            77161      2
6B     Piston [220cc]               88057         1             44    GN-190/220 Rocker Arm      77160      2
 7     Pin Retainer Ring            76390         2             45    Rocker Arm Jam Nut         76307      2
8A     Tapered Crankshaft Assm.     83337A        1             46    Push Rod Guide Plate       88403      1
8B     Straight Crankshaft Assm.    83338A        1             47    1/4" NPT Pipe Plug         72657      2
 9     Governor "R" Pin             78658         1             48    Rocker Cover Assembly      88412      1
10     Gov. Arm Thrust Washer       78659         1             49    Plastic Oil Fill Plug      76329      1
11A    Crankcase Assm. [190cc]      89213K        1
11B    Crankcase Assm. [220cc]      89213J        1
12     Governor Arm                 A7637         1
13     Oil Seal                     81695         2
14     Governor Gear Assembly       A8929         1
15     Governor Gear C-Ring         78645         1
16     Governor Spool               A7811         1
17     1/8" NPT Pipe Plug           72683         1
18     Camshaft Assembly            98752         1
19     Crankcase Gasket             89096         1
20     Valve Stem Seal              88156         1
21     Cylinder Head Gasket         A8822         1
22     Oil Pressure Relief Cover    78691         1
23     Oil Pressure Spring          A5772         1
24     11/32" Ball                  A5776         1
25     M5 Form Screw                74908         1
26     M6-1.0 x 12mm Screw          78606         4
27     Gov. Gear Thrust Washer      76361         1



                                                          -- 15 --
Generac GN-190/220 Engine


EXPLODED VIEW -- AIR CLEANER AND CARBURETO R - PRIMER TYPE




      ITEM   DESCRIPTION               PART NO.   QTY.
       31     Breather Hose        90947          1
       32     Manifold Head Gasket 90051          1
       33     M6 x 55mm Capscrew 57058            1
       34     M6 x 25mm Capscrew 80318            1
       35     M6 x 30mm Screw      80316          2
      36A     Intake Manifold      20136          1
       37     M6 Lock Washer       22097          2
       38     M6 Hex Nut           49813          2
      39A     Carburetor/Air Box   21202          1
              Gasket
       40     #10-32 x 3/4" Screw  36935          2
       41     Canal Cover          80303          1
       42     Carburetor/Manifold 21201           1
              Gasket
      43A     Dellorto Carburetor  21203          1
      44A     Air Cleaner Base     21200          1
       45     M6 x 12mm Capscrew 66476            1
       46     #8 x 3/8" Plastite   59635          1
              Screw
       47     Air Filter           78601          1
       48     Precleaner           78602          1



                            -- 16 --
Generac GN-190/220 Engine


AIR CLEANER AND CARBURETO R - CHOKE TYPE




      ITEM   DESCRIPTION               PART NO.   QTY.
      31     Breather Hose             90947      1
      32     Manifold Head             90051      1
             Gasket
      35     M6 x 30mm Screw           80316      2
     36B     Intake Manifold           90948      1
     39B     Carburetor /Air Box       91846      1
             Gasket
      41     Canal Cover               80303      1
      42     Carburetor Manifold       78631      1
             Gasket
     43B     Carburetor (190cc)        98469      1
     43C     Carburetor (220cc)        97747      1
     44B     Air Cleaner Base          78607      1
      45     M6 x 12mm Capscrew        66476      1
      46     #8 x 3/8" Plastite        59635      1
             Screw
      47     Air Filter                78601      1
      48     Precleaner                78602      1
      49     Choke Knob                83504      1
      50     Curb Bolt                 78643      2




                            -- 17 --
Generac GN-190/220 Engine


EXPLODED VIEW -- GAS TANK




        ITEM PART #         QTY.       DESCRIPTION
         55    83512         2         M6 X 15 Taptite
         57    95213         1         Tank Bracket
         58    77395         2         M6 Flange Nut
         59    95214         1         Tank Cradle
         60    30340        12"        1/4" ID Hose
         61   48031C         1         Hose Clamp




                            -- 18 --
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