4 SECTION 4 Gov. Controls, Carb. Linkage & Flywheel Brakes Section Contents Page GOVERNOR CONTROL BRACKET IDENTIFICATION Horizontal Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Vertical Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 BAND BRAKE CONTROLS Disassemble . . . . . . .
4 GOVERNOR CONTROL BRACKET IDENTIFICATION Horizontal Crankshaft Fig. 1 – 170400, 190400, 195400, 220400, 221400, 251400, 252400 with Swivel Control before Date Code 83121600 Fig. 4 – 253400, 255400 Fig. 2 – 170400, 171400, 190400, 194400, 195400, 221400, 222400, 252400, 254400 with Rack & Pinion Control after Date Code 83121500, except 253400, 255400 Fig. 5 – 230000, 240000, 300000, 320000 Fig.
4 GOVERNOR CONTROL BRACKET IDENTIFICATION, (CONT’D) Vertical Crankshaft Fig. 6 – 194700, 195700, 196700, 254700, 257700, 258700, 259700, 28A700, 28B700, 28C700, 28D700, 28E700, 28M700, 282700, 283700, 285700, 286700, 288700, 289700 with Horizontal Rack & Pinion control for Briggs & Stratton/Walbro LMT Carburetors Fig.
REMOTE CONTROLS In general, there are three types of remote controls: remote governor control, remote throttle control, and Choke-A-Matic control. See the carburetor section and following pages for specific control assemblies and installation hook-up by engine model. REMOTE GOVERNOR CONTROL The remote governor control regulates the engine speed by changing the governor spring tension, thus allowing the governor to control the carburetor throttle at all times and maintain any desired speed.
4 GOVERNOR BRACKETS, LINKAGES, AND CONTROLS The following drawings of governor controls (Figs. 14 through 49 and 61 through 136) are to show how governor links and springs are to be installed on carburetors. For governor control adjustments, see Section 5, GOVERNORS. Figs. 14–22 below show Models 60100, 61100, 80100, 81100 Horizontal Crankshaft. “A” indicates movement of cable or linkage to increase speed, “B” to decrease speed. 1 A 2 Fig. 14 Pull out rod (1) to increase speed.
4 Bell crank (1) and remote control lever (2) move in directions shown to increase (A) or decrease (B) speed, Fig. 19. 1 A B 2 Fig. 19 Closed choke position (1) Stop switch in “run” position (2) Stop switch in “stop” position (3), inset Fig. 20 1 2 3 Fig. 20 Idle adjustment screw (1) Spring hooked in this hole (2) Speed adjusting screw – turn in to increase speed (3) Needle valve adjustment (4) Fig. 21 1 2 3 4 Fig.
4 Turn thumbscrew (1) counterclockwise as shown to increase speed, spring hooked in #4 hole (2), Fig. 23. 1 2 Fig. 23 Pull out rod (1) to increase speed (A), governor spring in this hole (2) in speed adjusting lever, Fig. 24. 1 2 A B Fig. 24 Turn in speed adjustment screw (2) to increase speed, needle valve (3), idle adjustment screw (1), Fig. 25. 1 2 3 Fig. 25 Inset shows spring attachments, Fig. 26. Fig.
4 Choke position closed (1), Inset shows spring attachment to stop switch, Fig. 27. 1 Fig. 27 Model Series 83400 Horizontal Crankshaft Turn speed adjusting screw (1) clockwise to increase, counterclockwise to decrease, Fig. 28. 1 Fig. 28 Model Series 80200, 82200, 90200 Horizontal Crankshaft, Air Vane Governor Standard controls, Fig. 29. Fig. 29 Manual choke, top mount remote control, Fig. 30. Fig.
4 Manual choke, manual friction throttle, Fig. 31. Fig. 31 Manual choke, remote control, governed idle. Fig. 32. Fig. 32 Choke-A-Matic , Fig. 33. Fig. 33 Manual choke, bottom mount remote control, Fig. 34. Fig.
4 Model Series 60300, 60400, 61300, 80300, 80400, 81400 Horizontal Crankshaft A 1 A A 1 Fig. 35 Fig. 36 Turn governor screw as shown to increase speed. Top speed limit device (1). A Fig. 37 Fig. 38 Turn governor screw as shown to increase speed. Move remote control lever as shown to increase speed. Swivel screw, (1). B A B A Fig. 39 Turn governor screw as shown to increase (A) or decrease (B) speed. 10 B Fig. 40 Move throttle cable as shown to increase (A) or decrease (B) speed.
4 Model Series 91200, 92200, 94200 Horizontal Crankshaft with date codes ending in A1 through A9 or E1 through E9 Fig. 41 Fig. 42 Fig. 43 Fig. 41 – Manual Friction Fig. 42 – Remote Control Fig. 44 Fig. 43 – Fixed Adjustable Model Series 93400 Horizontal Crankshaft A Fig. 45 Fig. 44 – Vehicle Control Model Series 133400 Horizontal Crankshaft A Fig. 46 Fig. 45 – Move lever (A) as indicated to increase speed.
4 Model Series 80000, 91200, 110000, 130000 Horizontal Crankshaft, Mechanical Governor Fig. 47 – Standard Controls Fig. 48 – Manual Choke, Manual Friction Fig. 49 – Choke-A-Maticr Fig. 50 – Manual Choke, Remote Controls A B Fig. 51 – Manual Choke, Remote Control, Governed Idle Fig. 53 – Vehicle Controls, Throttle Return 12 Fig.
4 Model Series 100200, 130200 Horizontal Crankshaft Manual friction governor control. Pull knob up as indicated (A) to increase speed, Fig. 54. A Fig. 54 Remote control with governor, Fig. 55. Fig. 55 Standard governor control. Turn thumbscrew clockwise as indicated (A) to increase speed. Inset: remote control cable moves as indicated to increase speed (A) Fig. 56. A A Fig.
4 Choke-A-Matic remote control mounted on top of engine showing casing clamp (1), (inset A), and direction cable moves to close choke. Choke-A-Matic remote control (inset B) showing stop switch (2) direction to choke, (3), and movement of linkage to close choke, (4), Fig. 57. A 1 4 B 2 3 Fig. 57 Pull throttle control knob up to run (1), push down to stop (2), Fig. 58. 1 2 Fig. 58 Place lever (4) in choke detent (5).
4 Model Series 176400, 19B400, 19E400, 19F400, 19G400, 192400, 196400, 197400 with Bell Crank Controls and One Spring, Horizontal Crankshaft Model Series 176400, 19B400, 19E400, 19F400, 19G400, 192400, 196400, 197400 with Bell Crank Controls and Two Springs, Horizontal Crankshaft Fig. 61 Fig. 62 Model Series 226400, 250400, 256400 Horizontal Crankshaft Control, One Spring Model Series 226400, 250400, 256400 Horizontal Crankshaft Control, Two Springs Fig. 63 Fig.
4 Adjust Choke-A-Matic as shown (A), to increase speed, Fig. 65. A Fig. 65 Adjust remote control cable as shown (A), to increase speed, Fig. 66. A Fig. 66 Adjust Manual Friction as shown (A), to increase speed, Fig. 67. A Fig. 67 Turn fixed adjustable as shown – (A) to increase speed, (B) to decrease speed, Fig. 68. B A Fig.
4 Model Series 170400, 190400, 195400, 220400, 221400, 251400, 252400 Horizontal Crankshaft with Swivel Lever Control before Date Code 83121600 Adjust Choke-A-Matic linkage and cable as shown (A), to increase speed, Fig. 69. A A Fig. 69 Adjust cable or turn knob as shown (A) to increase speed. Manual friction (1), fixed adjustable (2), remote control (3), Fig. 70. A A A 1 2 3 Fig. 70 Adjust as shown (A) to increase speed. Manual friction (1), fixed adjustable (2), remote control (3), Fig. 71.
4 Thumb Nut Adjustment 1 Remove thumb nut and upper elastic stop nut (2), Figs. 76 and 77. Replace thumb nut and adjust to desired operating speed. (See Figs. 74-79). Do not change the position of the lower elastic stop nut. It provides protection against overspeeding. 1 Governed Idle All engines in Model Series 243400, 300400, 320400, and some 233400 engines use two governor springs (4), Fig. 78. The shorter spring keeps the engine on governor, even at idle speed.
4 Model Series 220000, 250000 Horizontal Crankshaft with Rack & Pinion Control after Date code 83121500, Except 253400, 255400 1 B A A Fig. 80 Fig. 81 Fig. 80 – Choke-A-Matic Fig. 81 – Remote Control Choke (1) B A A Fig. 82 Fig. 83 Fig. 82 – Manual Friction Fig. 83 – Fixed Adjustable Figs. 80 – 83: Move as shown (A) to increase speed, (B) to decrease speed.
4 Model Series 253400, 255400 Horizontal Crankshaft A A Fig. 84 Fig. 85 1 A Fig. 86 Fig. 87 – Fixed speed screw (1) Figs. 84 – 87: Move as shown (A) to increase speed, (B) to decrease speed.
4 Model Series 90000 Vertical Crankshaft – “A” indicates “FAST” position, “B” indicates “STOP” position A B B A Fig. 88 Fig. 89 Fig. 90 Fig. 91 Model Series 9B900, 9C900, 98900, 10A900, 10B900, 10C900 Vertical Crankshaft, Dual Spring 1 2 1 1 2 Fig. 92 – Manual Friction Fig. 93 – Remote Control Fig. 94 – Fixed Adjustable Model Series 9B900, 9C900, 98900, 10A900, 10B900, 10C900 Vertical Crankshaft, Single Spring 1 2 1 1 2 Fig. 95 – Manual Friction Fig. 96 – Remote Control Fig.
4 Model Series 120000 Vertical Crankshaft A Fig. 98 “A” indicates increase speed, “B” indicates decrease speed. Model Series 90700, 110700, 112700 Vertical Crankshaft Model Series 91700, 111700, 114700 Vertical Crankshaft B A B Fig. 99 22 Fig.
4 Model Series 130700, 131700, 132700 Vertical Crankshaft – “A” shows speed increase, “B” shows decrease. B B A A Fig. 101 Fig. 102 Model Series 100900, 130900 Vertical Crankshaft 2 1 Throttle lever (1) Choke lever (2) Choke and throttle remote control casings (3) Casing screws (4) Fig. 103 3 4 Fig. 103 Choke closed (1) Lever in choke (2) Lever in stop(3) Stop switch (4) Blade (5) Fig. 104 1 4 5 3 2 Fig. 104 Place control in choke detent (1).
4 Model Series 170700, 190700, 191700, 192700, 193700, 220700, 252700, 253700, 280000 Vertical Crankshaft with Rack & Pinion Control Except Model 286700 Move as shown (A) to increase speed, Fig. 107. A Fig. 106 24 Fig.
4 Model Series 194700, 195700, 254700, 257700, 283700, 286700 Vertical Crankshaft With Horizontal Control Rack & Pinion Control A 1 A Fig. 108 Move as shown (A) to increase speed. Slide control (1), Fig. 109. Fig. 109 Model Series 194700, 195700, 196700, 254700, 257700, 283700, 286700 Vertical Crankshaft With Vertical Rack & Pinion Control A A A Move as shown (A) to increase speed, Figs. 110-111. Fig. 110 Fig.
4 Model Series 170700, 171700, 190700, 191700 Vertical Crankshaft with Swivel Lever Control A A A Fig. 112 Fig. 113 A A Fig. 114 A Fig. 115 Move as shown (A) to increase speed, Figs. 112-115.
4 BAND BRAKE CONTROLS Model Series 92000, 93000, 94000, 95000, 110000 System 3 and 4 engines are equipped with the band brake feature, Fig. 116. The band brake MUST STOP the engine (cutter blade) within three seconds after operator releases equipment safety control, Fig. 117. If stopping time exceeds three seconds with equipment speed control set in “FAST” position, remove blower housing (3), and brake cover (2), and examine following for adjustment, alignment, or damage: a. Band brake worn or damaged.
4 REMOVE BAND BRAKE 1. Remove blower housing and rotating screen, Fig. 116. 3 2. On current style band brake brackets, release brake spring (1) and lift band brake (2) up off both stationary and moving posts (3), Fig. 119. .030”(.76 mm) 3. On early style brake brackets, use tang bender tool #19229 (1) to bend control lever tang (2) to clear band brake loop, then release brake spring tension and remove band brake (4), Fig. 120. 4. Replace band brake if brake material is damaged or worn to less than .
4 5. With brake spring installed, apply pressure to the control bracket ONLY. Move it until gauge link tension is JUST eliminated. 6. Hold control bracket in this position while torquing screws to 30 in. lbs. (3 Nm). 7. Remove gauge. NOTE: Some manufacturers install a cable clamp bracket using a pop rivet in the control bracket cable clamp screw hole. Place bayonet end of gauge in control lever and rotate control lever sufficiently to install other end of gauge into pop rivet hole. Adjust as noted above.
4 6. Tighten cable clamp screw securely. 7. Conduct Stop Switch and Stop Switch Wire Tests described in Section 2, Ignition. 8. Install brake control bracket cover and tighten screws. 9. Place battery in holder and tighten screws. 10. After engine is installed on equipment, connect battery wires to connector and place wire on spark plug. 11. Re-test stopping time.
4 3. Remove blower housing and rewind starter (3, 2), Fig. 127. 3 2 1 Fig. 127 4. Disconnect spring (2) from brake anchor (3), Fig. 128. 1 2 5. Disconnect stop switch wire (1) from stop switch. NOTE: If engine is equipped with electric starter, disconnect both wires (4) from starter interlock switch (5). Remove two screws from brake bracket (6) and remove bracket. 3 7 6 5 4 Fig. 128 Inspect Flywheel Brake and Switches 1. Inspect brake lining on brake lever.
5 SECTION 5 Governors Section Contents SAFETY Page Governed Speed Limits, All Model Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 MECHANICAL GOVERNORS HORIZONTAL CRANKSHAFT Disassemble Model Series 60000, 80000, with governor lever and shaft mounted on crankcase cover . . . . . . . . . . . . . . . 8 Model Series 80000, 83400, 93400, 100200, 130000, 170000, 190000, 220000, 250000, with governor crank in cylinder . . . . . . . . .
5 Section Contents, Cont’d. HORIZONTAL CRANKSHAFT, (Cont’d) Page Model Series 80000, 83400, 93400, 100200, 130000, 170000, 190000, 220000, 250000, with governor crank mounted in cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Governor Shaft Bushing, Replace Model Series 80000, 83400, 100200, 100900, 130000, 170000, 190000, 220000, 250000 . . . . . . . . . 21 Model Series 230000, 240000, 300000, 320000 . . . . . . . . . . . . . . . . . . . . . . . .
5 TOP NO LOAD GOVERNED SPEED LIMITS To comply with specified top governed speed limits, Briggs & Stratton supplies manufacturers with engines using either calibrated governor springs or an adjustable top no load speed. Both methods will regulate top governed speed when the engine is operated on a rigid test stand. However, the design of the cutter blade, deck, etc., can affect engine speeds.
5 PNEUMATIC GOVERNOR SYSTEMS (FIGS. 1, 2) 1 Adjust Top No Load Speed, Model Series 80000, 90000 Pneumatic Governor with Control Panel 1. Run engine until it reaches operating temperature or for about 5 minutes. 2. Set control lever or remote controls to fast position with engine running. 3. Adjust governed idle by turning stop nut (3) and idle speed screw (2), Fig. 2. Turn stop nut clockwise (A) to increase speed, counterclockwise (B) to decrease. Fig. 1 2 4.
5 Adjust Top No Load Speed Pneumatic Governor, Dual Spring Control Model Series 9B900, 9C900, 98900, 10A900, 10B900, 10C900. 2 3 Single Spring Control Model Series 9B900, 9C900, 93900, 95900, 96900, 98900, 10A900, 10B900, 10C900 1. Run engine until it reaches operating temperature or for about 5 minutes. 2. Move governor lever (1) to “Fast Position.” Hole in lever (2) will line up with hole in governor control bracket (4). Insert 1/8” rod (3) through both holes to lock lever position, Figs. 5, 6.
5 Replace Governor Spring Model Series 90000, 110000 1 2 The governor springs used on engine Model Series 90000, 110000 are made with double end loops for a secure attachment and proper governor regulation. Springs with double end loops are easily removed and installed by following the procedure shown below. Fig. 8 CAUTION: DO NOT use a needle-nosed pliers or the end loops of the governor spring will be deformed.
5 MECHANICAL GOVERNOR SYSTEM HORIZONTAL CRANKSHAFT (Fig. 11, typical) A 1 1 1. Fig. “A” shows engine not running, throttle open (1), spring compressed (2), and counterweights closed (3). Turning thumbscrew as shown (A) increases speed. 2. Fig. “B” shows engine running, throttle closing (1), spring stretching (2), and counterweights opening (3). 2 3 2 3 A B Fig.
5 Assemble Horizontal Crankshaft 3 On horizontal crankshaft models, the governor rides on a short stationary shaft and is retained by the governor shaft, with which it comes in contact after the crankcase cover is secured in place. 1 2 1. Press governor cup (2), Fig. 13, against crankcase cover to seat retaining ring on shaft, prior to installing crankcase cover. 4 5 6 NOTE: It is suggested that the assembly of the crankcase cover be made with the crankshaft in a horizontal position. Fig. 14 2.
5 Assemble 4 8 1. Push governor shaft (2) into crankcase cover, with threaded end in. 2 2. Assemble small washer on the inner end of the shaft, then screw shaft into governor follower (4) by turning shaft counterclockwise. 3. Tighten securely. Turn shaft until follower (4) points down as illustrated, Fig. 16. 9 1 4. Place washer on outside end of shaft. 5. Install roll pin (3). The leading end of the pin should just go through the shaft so pin protrudes from only one side of shaft. Fig. 16 6.
5 Governor Spring Location Note: Consult Engine Sales Manual, MS-4052 or Service Engine Sales Manual Microfiche at the end of each manual to determine specified RPM for engine, EXCEPT FOR GENERATOR ENGINES. See text for Top No Load Speed and Governed Idle adjustments according to engine model and application. Model Series 93400 See Table 4, Specifications, Page 28, and place governor spring in holes 1 through 6, Fig. 18, to attain required RPM. Fig.
5 Single & Dual Spring Model Series 176400, 19B400, 19C400, 19E400, 19F400, 19G400, 192400, 196400, 226400, 250400, 256400 See Table No. 6, Specifications, Page 28, and place governor spring in holes 1 through 12, Fig. 20, to attain required RPM. Generator Engines Model Series 93400 Place governor spring in governor lever hole number 2 for 50 Cycle (3000 RPM) or hole number 3 for 60 Cycle (3600 RPM) generators. DO NOT USE HOLE LOCATIONS SHOWN IN TABLE NO 4, SPECIFICATIONS, Page 28.
5 Adjust Top No Load Speed Single Spring Model Series 93400, 133400, 176400, 192400, 196400, 250400, 256400 1. Run engine at half throttle for five minutes to bring engine to operating temperature. 2. Move speed control lever to maximum RPM position. 3. If tab on lever (1) is touching head of TOP NO LOAD RPM adjusting screw (2), back out screw until tab no longer touches screw when control lever is in maximum RPM position, Fig. 22. 1 2 Fig. 22 4. First adjustment: bend spring anchor tang (1), Fig.
5 Adjust Governed Idle Model Series 93400 (Fig. 24) Single Spring Model Series 133400, (Fig. 25A) Model Series 176400, 192400, 196400, 226400, 256400 (Fig. 25B) B 1. If governed idle is specified, move speed control down until engine is at minimum RPM and adjust carburetor idle speed screw to 1600 RPM. A NOTE: See Section 3 for proper idle speed adjusting procedure for small or large Briggs & Stratton/Walbro carburetors. 4 Fig. 24 2. Move speed control lever to obtain 1800 RPM.
5 Adjust Dual Spring Governor (Figs. 26, 27) Model Series 176400, 19B400, 19C400, 19E400, 19F400, 19G400, 192400, 196400, 197400, 226400, 250400, 256400 2 1 NOTE: On dual spring system, governed idle must be set before setting TOP NO LOAD RPM. Adjust Governed Idle (Figs. 26, 27) 8 1. Run engine at half throttle for five minutes to bring to operating temperature. 7 6 2. Move speed control lever (1) down to idle speed position until there is slack on main governor spring (2). 3.
5 3. Use Tool #19229, Tang Bending Tool, to bend spring anchor tang to obtain the proper TOP NO LOAD RPM, Fig. 29. For engines using Top Speed Limit Screws, adjust tang to 4000 RPM. Top Speed Limit screw must be removed while adjusting tang. Choke-A-Matic top speed range is 3700 to 4000 RPM with standard spring. (Top speed limit screw cannot be used.) B NOTE: Refer to Figs. 29 and 30 to identify the type of control. Then refer to Table No. 2, Page 28 (Fig. 29) or Table No. 3, Page 28 (Fig.
5 Adjusting Top No Load Speed Generator Applications 1. Run engine at half throttle for five minutes to bring to operating temperature. 2. Move speed control lever to maximum RPM position. 3. If tab on lever is touching head of TOP NO LOAD RPM adjusting screw (2), back out screw until tab no longer touches screw when control lever is in maximum RPM position, Fig. 23. 4. Bend spring anchor tang (1) using Tang BenderTool #19229 (4), to 3300 for 50 cycle or 3800 for 60 cycle. 5.
5 Governed Idle (Non-Generator) 1. Turn carburetor idle speed adjusting screw to obtain 1600 RPM while holding throttle lever against screw. 2. Release throttle lever. 3. Align holes in control bracket and inside lever with 1/8” (3.18 mm) diameter rod. Governor speed control lever of equipment should be in “IDLE” position, Fig. 34. 4. Adjust if necessary. Bend spring tang to obtain 1750 RPM. 5. Remove 1/8” (3.18 mm) diameter rod. A B Fig.
5 Cast Iron Model Series 230000, 240000, 300000, 320000 (Fig. 37) Disassemble 1 1. Remove engine base. 2. Loosen governor lever bolt and nut. 3. Remove governor lever from governor crank assembly. 2 4. Remove cotter pin and washer from governor crank (3). 3 5. Remove any paint or burrs from governor crank. 4 6. Remove governor crank. NOTE: Current production engines have a spacer (2) on the governor crank (3). Earlier production engines have a long bushing without spacer. Fig. 37 7.
5 Remote Control Operation 1 Adjust lower stop nut to obtain specified TOP NO LOAD RPM. Adjust Governed Idle 2 First make final carburetor mixture adjustments. Then place remote control in idle position. Hold throttle shaft in closed position and adjust idle screw (2) to 1000 RPM. Release the throttle. With remote control in idle position, adjust upper elastic stop nut (1) to 1200 RPM, Fig. 39. 6 5 4 3 2 1 MECHANICAL GOVERNOR SYSTEM VERTICAL CRANKSHAFT Model Series 100900, 130000, 170000 Fig.
5 Fig. 41 – Model Series 170000, 190000, 220000, 250000, 280000, Typical Throttle (1) Link (2) Governor bracket (3) Governor spring (4) Cam gear (5) Cup (6) Governor gear (7) Governor shaft (8) Governor lever (9) Carburetor (10) 1 2 3 4 5 10 9 8 7 6 Fig. 41 Fig. 42 – Vertical Shaft Governor and Oil Slinger Assembly, Typical Governor crank (1) Governor cup (2) Crankshaft (3) Spring washer (4) Cam gear (5) Governor slinger (6) 2 1 3 4 5 6 Fig.
5 NOTE: Model Series 100900, 130700, 130900, 131900 and 132900 use spring washer as shown in Fig. 42. On Model Series 130700, 130900, 131700 and 132900 equipped with right angle auxiliary drive power take-off, the spring washer is not to be used. 3. Complete installation of remaining governor linkages and carburetor. NOTE: If governor shaft bushing is replaced, it must be finish reamed with Tool #19333, Finish Reamer, for 1/4” (6.35 mm) governor crank or with Tool #19058, Finish Reamer, for 3/16” (4.
5 Replace Governor Shaft Bushing 1 1. Press old governor shaft bushing (5), Fig. 45, out of cylinder. 2 2. Press new bushing into cylinder until bushing is 1/16” (1.57 mm) above outside surface of cylinder. 3. Ream bushing using Tool #19058, Finish Reamer, using suitable lubricant. 4. Place new gasket(s) same thickness as original gasket(s) on cylinder. 3 Assemble 4 6 1. Install governor crank from inside cylinder. 5 2.
5 4. Turn crank until paddle (1) contacts governor cup on oil slinger (2), Fig. 49. 5. Place new gasket(s) same thickness as original gasket(s) on cylinder. 6. Insert Tool #19356, Orange Seal Protector, into seal of oil sump and install oil sump on cylinder. 7. Place non-hardening sealant such as Permatex II, on screw (1) that enters the breather chamber, Fig. 50, and install sump screws. 8. Torque screws to 85 in. lbs. (10 Nm). Remove seal protector. 2 1 Fig.
5 Install Governor Spring Model Series 94500, 94900, 95500, 113900, 114900 (Early Style) 1 3 2 4 1. Hold governor spring with open end of small loop down (1). 2. Hook large loop in throttle link loop as shown in (2), Fig. 53, and pull loop toward throttle lever until end of spring loop snaps on. 3. Hook small loop (3) in throttle control lever (4) as shown in Fig. 54. Fig. 53 Fig.
5 Adjust Top No Load Speed Swivel Vertical Rack and Pinion Control Bracket Horizontal Rack and Pinion Control Bracket Model Series 100900, 130700, 130900, 131900, 132900, 170000, 190000, 220000, 250000, 280000 1 2 A A 1. Set control lever to maximum speed position, with engine running. 2. Use Tool #19229, Tang Bending Tool, to bend spring anchor tang to obtain the proper TOP NO LOAD RPM, Fig. 57, swivel and vertical rack and pinion control brackets or Fig. 58, horizontal rack and pinion control bracket.
5 Adjust Governed Idle Rack and Pinion Control Horizontal Slide, Vertical Slide 1. To adjust, first make final carburetor mixture adjustments. 2. Then place remote control in idle position. 3. Hold throttle shaft in closed position with finger, adjusting idle speed screw to 1200 RPM (Horizontal Slide), 1550 RPM (Vertical Slide). 4. Release throttle. 5. Set remote control to 1750 RPM and bend tang (1) until it contacts remote control slide, Fig.
5 Adjust Spring Loaded Screw Type Following steps 1 through 4 above, turn screw (1) until it contacts remote control lever. See Fig. 65. 1 Fig. 65 Adjust Governed Idle Stop 1. Set remote control to 1750 RPM. 2. Loosen governed idle stop and place against remote control lever, Fig. 66. 3. Tighten governed idle stop. Fig. 66 NOTE: SPECIFICATION TABLES BEGIN ON PAGE 28 OF THIS SECTION.
5 SPECIFICATION TABLES TABLE NO. 1 TABLE NO. 4 Hole Location, Model Series 93400 Blade Length Maximum Rotational RPM RPM Range Hole No. Date Codes 18” (457 mm) 3800 2800 – 3000 2 – 19” (483 mm) 3100 – 3500 3 – 3600 3600 – 3900 4 – 20” (508 mm) 3400 5 After 94111300 6 21” (533 mm) 3250 Before 94111400 22” (559 mm) 3100 23” (584 mm) 2950 24” (610 mm) 2800 25” (635 mm) 2700 TABLE NO. 2 Setting Top No Load Speed 4000 – 4200 TABLE NO.
5 TABLE NO. 7 Setting Top No Load Speed Top Speed Limit Screw Position No. 1 Position with governor tang set to 4000 RPM No. 1 Position with governor tang set to 3500 RPM No. 2 Position with governor tang set to 4000 RPM Model Series 194700, 195700, 196700, 254700, 257700, 283700, 286700 194700, 195700, 196700, 254700, 257700, 283700, 286700 194700, 195700, 196700, 254700, 257700, 283700, 286700 No Load Top Speed Range 3300 TABLE NO.
