10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241.1] 9.44 [239.8] 17.19 [436.6] REMOVAL OF DIPSTICK MUFFLER GUARD.45 [11.4] BRAKE CONTROL SEE SEPARATE VIEW FOR LEVER TRAVEL 5.88 [149.4] 5.36 [136.1] 5.02 [127.4] 6.06 [153.9] V/45-60/QUANTUM/7-99/p. 1
8.77 [222.9] 7.34 [186.4] 3.48 [88.4] 3.39 [86.2] SPARK PLUG ELBOW V/45-60/QUANTUM/7-99/p. 2
5.37 [136.4] 2X Ø.377 [Ø 9.58] 10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241] 5.83 [148.1] 6.96 [176.8] 2.03 [51.5] CYLINDER 3.06 [77.7] 5.73 [145.5] 6.17 [156.8] 9.14 [232.2] 1.48 [37.6] MUFFLER GUARD 5.63 [143.1] 6.00 [152.4] 6.11 [255.1] 7.28 [184.9] BRAKE CONTROL SEE SEPARATE VIEW FOR LEVER TRAVEL 2.90 [73.7].45 [11.4] 5.88 [149.4] 2X.089 [2.26] 5.25 [133.4] 3.85 [97.8] 5.63 [142.7] 5.02 [127.5] 6.06 [153.9] V/45-60/QUANTUM/7-99/p. 3
1.23 [31.2] 2.93 [74.4] 9.75 8.77 [247.6] [222.8] 6.87 [174.5] 4.28 [108.7] 3.39 [86.1] ELECTRIC STARTER.75 2 MOUNTING [19.1] PADS.44.78 [11.2] [19.8] SPARK PLUG ELBOW FOR DIMENSIONAL DETAILS SEE SHEET 7 OF 8.13 [3.3] Ø 2.56 [65.0] 6.87 [174.5] 7.05 [179.1] 8.55 [217.2] REMOVAL OF ELBOW 7.93 (RESISTOR PLUG) [201.4] (RESISTOR PLUG) 2.16 [54.9] 3.62 [91.9] 17.19 [436.6] REMOVAL OF DIPSTICK 9.44 [239.8] 5.70 [144.8] 4.92 [124.9] 4.71 EXHAUST [119.6] 4.70 [119.4] 2.03 [51.6] 4.93 [125.2] 1.77 [45.0] MOUNTING PAD 5.60 [142.2].83 [21.1].73 [18.5] EXHAUST.65 [16.4] 2.75 [69.9] 3.50 [88.9] 2.40 [61.0] 2.88 [73.1] 4.27 [108.5] 4.91 [124.8] 8.35 [212.1] 4.38 [111.3] 7.82 [198.6].68 [17.3] MAX..375 18 DRYSEAL NPTF CLASS 2 HEX DRIVE SOCKET OIL DRAIN PLUG (FLUSH) V/45-60/QUANTUM/7-99/p. 4
10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241.1] 9.44 [239.8] 17.19 [436.6] REMOVAL OF DIPSTICK MUFFLER GUARD 7.54 [191.5].45 [11.4] BRAKE CONTROL SEE SEPARATE VIEW FOR LEVER TRAVEL 5.88 [149.4] 5.36 [136.1] 5.02 [127.4] V/45-60/QUANTUM/7-99/p. 5
9.73 [247.1] 8.77 [222.9] 3.48 [88.4] 3.39 [86.2] SPARK PLUG ELBOW V/45-60/QUANTUM/7-99/p. 6
10.02 [254.5] REMOVAL OF FUEL CAP 17.19 [436.6] REMOVAL OF DIPSTICK 9.49 [241.1] 9.44 [239.8] MUFFLER GUARD 7.54 [191.5].45 [11.4] BRAKE CONTROL SEE SEPARATE VIEW FOR LEVER TRAVEL 5.88 [149.4] 5.36 [136.1] 5.02 [127.4] V/45-60/QUANTUM/7-99/p. 7
9.75 [247.7] 8.77 [222.9] 3.48 [88.4] 3.39 [86.2] SPARK PLUG ELBOW V/45-60/QUANTUM/7-99/p. 8
10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241.1] 9.44 [239.8] 17.19 [436.6] REMOVAL OF DIPSTICK MUFFLER GUARD 8.43 [214.1].45 [11.4] BRAKE CONTR0L SEE SEPARATE VIEW FOR LEVER TRAVEL 5.88 [149.4] 5.36 [136.1] 5.02 [127.4] V/45-60/QUANTUM/7-99/p. 9
8.77 [222.9] 9.84 [250] 3.48 [88.4] 3.39 [86.2] SPARK PLUG ELBOW V/45-60/QUANTUM/7-99/p. 10
6.61 [168] 6.21 [157.7] 1.44 [36.6].45 [11.4] 5.88 [149.4] 14.25 [362] 5.04 [128] 5.02 [127.4] 6.06 [153.9] V/45-60/QUANTUM/7-99/p. 11
9.04 [229.6] 8.76 [222.5] 9.44 [239.8] 9.81 [249.1] V/45-60/QUANTUM/7-99/p. 12
10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241.1] 9.44 [239.8] 17.19 [436.6] REMOVAL OF DIPSTICK MUFFLER GUARD 8.43 [214.1].45 [11.4] BRAKE CONTROL SEE SEPARATE VIEW FOR LEVER TRAVEL 5.88 [149.4] 5.36 [136.1] 5.02 [127.4] V/45-60/QUANTUM/7-99/p. 13
SPARK PLUG ELBOW 9.84 [250] 8.77 [222.9] 3.39 [86.2] 3.48 [88.4] V/45-60/QUANTUM/7-99/p. 14
10.02 [254.5] REMOVAL OF FUEL CAP 9.49 [241.1] 9.44 [239.8] 17.19 436.6 REMOVAL OF DIPSTICK 9.75 [247.6] MUFFLER GUARD 7.90 [200.7] 7.68 [195].45 [11.4] 5.88 [149.4] 5.02 [127.4] 6.06 [153.9] V/45-60/QUANTUM/7-99/p. 15
8.55 [217.2] REMOVAL OF ELBOW (RESISTOR PLUG) 7.93 [201.4] (RESISTOR PLUG) 8.77 [222.9] 7.34 [186.4] 3.48 3.39 [88.4] [86.2] SPARK PLUG ELBOW (WHEN REQUIRED) 3.490 [88.6].239 [6.1] 2.735 [69.5] TO (Ø.750) GAGE 4X.675 [17.1] (4X SAE MOUNTING PADS).66 (Ø 2.227) [16.8] [56.6] (PILOT RING) (PILOT RING Ø) Ø 1.680 [42.7] (INTERNAL PILOT RING Ø) 8.55 [217.2] REMOVAL OF ELBOW (RESISTOR PLUG) 7.93 [201.4] (RESISTOR PLUG) 8.77 222.9 7.34 186.4 3.48 88.4 3.39 86.2 SPARK PLUG ELBOW 3.490 [88.6] 2.735 [69.5] TO (Ø.750) GAGE Ø 1.625 [41.3] (EXTERNAL (PILOT RING Ø) PILOT RING Ø).120 [3] (SAE MOUNTING PAD TO PILOT RING) 4X.675 [17.1] (4X SAE MOUNTING PADS).866 [22] Ø 2.227 (PILOT RING) [56.6] V/45-60/QUANTUM/7-99/p. 16
1.704 43.3.620 15.7.620 15.7 ROTATION (4X MOUNTING PADS PER SAE J609a) (Ø 3.625) [Ø 92.1] 1.704 43.3 1.704 43.3 ADDITIONAL VIEW FOR DIMENSIONAL CLARITY.620 15.7 4.12 104.7 4.18 106.2 MAX..620 15.7 1.704 43.3 1.91 [48.6].375 18 DRYSEAL NPTF CLASS 2 HEX DRIVE SOCKET OIL DRAIN PLUG (FLUSH) V/45-60/QUANTUM/7-99/p. 17
BRIGG SPEED CONTROL TRAVEL (PRIMER ENGINES) SPEED CONTROL TRAVEL (CHOKE VERSION) CRANKSHAFT 2.934 74.52 CRANKSHAFT 1.320 33.53 2.986 C 75.85 2.733 B 69.42 1.643 A 41.74 #10 24 UNC 2B.362 [9.19] MINIMUM FULL THD. SPEED CONTROL CABLE MTG. BOSS LOCATION ON FUEL TANK 15 20 LB. IN. SCREW TORQUE.827 C 21.01 1.101 B 27.97 Ø.0785 [Ø 1.994] 2.204 A [55.99] SIDE MOUNT POSITION DESCRIPTION A TOP SPEED B IDLE C FULL STOP HEAD MOUNT.059 LEVER HOLE 1.50 THICKNESS CRANKSHAFT CRANKSHAFT 2.934 74.52 #10 24 UNC 2B.362 [9.19] MIN. FULL THD. SPEED CONTROL CABLE MTG. BOSS LOCATION ON FUEL TANK 15 20 LB. IN. SCREW TORQUE 1.320 33.53 2.741 C 69.62 1.991 50.57 1.621 A 41.17 3.051 D 77.50 Ø.0785 HOLE, [Ø 1.994] F 2.059 [1.50] 1.732 D 43.99 2.042 C 3.162 A 51.87 80.31 2.792 B 70.92 F 1 F 2 PINNED TOP SPEED POSITION SIDE MOUNT POS. DESCRIPTION A FULL CHOKE B TOP SPEED (PINNED POSITION) C IDLE D FULL STOP FORCE DESCRIPTION F1= 8 LBS. MAX. (SIDE MOUNT) IDLE TO FULL STOP 6 LBS. MAX. (HEAD MOUNT) F 2=5.5 LBS. MAX (SIDE MOUNT) TOP SPEED TO FULL CHOKE 3.5 LBS. MAX (HEAD MOUNT) F 1 LEVER THICKNESS HEAD MOUNT LBS. NEWTONS 40 (177.93) 38 (169.03) 36 (160.14) 34 (151.24) 32 (142.34) 30 (133.45) 28 (124.55) 26 (115.65) 24 (106.76) 22 (97.86) 20 (88.96) 18 (80.10) 16 (71.17) 14 (62.28) 12 (53.38) 10 (44.48) 8 (35.59) 6 (26.69) 4 (17.79) 2 (8.90) 0 (0.00) 0 0.2 0.4 0.6 0.8 1.0 1.2 [5.1] [10.2] [15.2] [20.3] [25.4] [30.5] BRAKE LEVER TRAVEL (IN.) A BRAKE ON: B BRAKE RELEASED CYLINDER HEAD SIDE: LIVE CABLE & LIVE CONDUIT OPPOSITE CYLINDER HEAD SIDE: LIVE CABLE V/45-60/QUANTUM/7-99/p. 18
BRIGG CYLINDER HEAD SIDE ACTUATION SNAP IN FITTING MOUNTING FACE 2.400 60.96 A (LIVE CABLE) OPPOSITE CYLINDER HEAD SIDE ACTUATION Z FITTING BRAKE ACTIVATED (BAIL OPEN) CABLE FREE LENGTH: ASSEMBLE BAIL CONTROLS AS IN PRODUCTION. INSTALL THE SNAP IN BRAKE CONDUIT END FITTING INTO BRAKE CONTROL BRACKET; DO NOT INSTALL INNER WIRE Z FITTING TO CONTROL LEVER HOLE. WITH BAIL UP (POSITION A ) MEASURE THE DISTANCE FROM THE SNAP IN MOUNTING FACE TO THE CENTER OF Z FITTING. FREE LENGTH MUST BE 2.400 MINIMUM. B 1.325 33.66 1.788 45.42 SNAP IN BRAKE CONDUIT END FITTING BRAKE CONTROL BRACKET (LIVE CONDUIT) BRAKE RELEASED (BAIL CLOSED) BRAKE LEVER TRAVEL: INSTALL Z FITTING INTO BRAKE CONTROL LEVER HOLE AND INSTALL THE SNAP IN BRAKE CONDUIT END FITTING INTO BRAKE CONTROL BRACKET. ACTUATE BAIL TO CLOSED POSITION (POSITION B ). MEASURE THE DISTANCE FROM THE SNAP IN MOUNTING FACE TO THE CENTER OF THE Z FITTING. THIS BRAKE RELEASED CABLE LENGTH MUST BE BETWEEN 1.325 TO 1.788. 2.400 60.96 Z FITTING A BRAKE LEVER MOUNTING FACE BRAKE ACTIVATED (BAIL OPEN) CABLE FREE LENGTH: ASSEMBLE BAIL CONTROLS AS IN PRODUCTION. INSTALL THE SNAP IN BRAKE CONDUIT END FITTING INTO BRAKE CONTROL LEVER; DO NOT INSTALL INNER WIRE Z FITTING TO CONTROL BRACKET HOLE. WITH BAIL OPEN (POSITION A ) MEASURE THE DISTANCE FROM THE SNAP IN LEVER MOUNTING FACE TO THE CENTER OF Z FITTING. FREE LENGTH MUST BE 2.400 MINIMUM. B BRAKE CONTROL BRACKET SNAP IN BRAKE CONDUIT END FITTING 1.325 1.831 [33.66] [46.51] BRAKE RELEASED (BAIL CLOSED) BRAKE LEVER TRAVEL: INSTALL Z FITTING INTO ANCHOR HOLE IN THE CONTROL BRACKET AND INSTALL THE SNAP IN BRAKE CONDUIT END FITTING INTO BRAKE LEVER. ACTUATE BAIL TO THE CLOSED POSITION (POSITION B ). MEASURE THE DISTANCE FROM THE SNAP IN MOUNTING FACE TO THE CENTER OF THE HOLE IN THE LEVER. THIS BRAKE RELEASED CABLE LENGTH MUST BE BETWEEN 1.325 T0 1.831. LAWNMOWER HANDLE B A A ) BAIL OPEN BRAKE IS ACTIVATED, IGNITION IS GROUNDED AND THE ENGINE WILL NOT START. BRAKE ACTUATION BAIL B ) BAIL CLOSED BRAKE IS RELEASED AND THE ENGINE IGNITION GROUND IS INTERRUPTED; THE ENGINE IS CAPABLE OF STARTING. V/45-60/QUANTUM/7-99/p. 19
BRIGG REWIND STARTER POSITIONS QUANTUM POWER ENGINES (MODEL 12) 12 O CLOCK 1 O CLOCK THIS LEG OF REWIND STARTER HOUSING DETERMINES O CLOCK POSITION 2 O CLOCK 3 O CLOCK 11 O CLOCK (NOT AVAILABLE) 10 O CLOCK 4 O CLOCK (NOT AVAILABLE) 9 O CLOCK (NOT AVAILABLE) 5 O CLOCK 8 O CLOCK 6 O CLOCK 7 O CLOCK V/45-60/QUANTUM/7-99/p. 20
BRIGG PER ANSI B17.2 1967, R 1978 (SEE MACHINERY S HANDBOOK, INDUSTRIAL PRESS) PER ANSI B17.1 1967, R 1973 (SEE MACHINERY S HANDBOOK, INDUSTRIAL PRESS) K, TAPPED HOLE E F D G C, SHAFT SIZE J R Ø 1.0625 I 1.0617 L B M A USABLE STRAIGHT LENGTH OF KEYWAY SAE J500 MODIFIED SERRATIONS, 48 TEETH,.977 PITCH DIA.,.999/.988 MAJOR DIA. TOLERANCE TAKING MAXIMUM END PLAY INTO ACCOUNT CAUTION; INTERNATIONAL USE ONLY, MUST HAVE MOWER BLADE MOUNTED PARALLEL TO WOODRUFF KEYSEATS TO PASS ANSI B71.1 (LATEST REVISION) STAKE TEST. SPECIALLY BALANCED USABLE STRAIGHT LENGTH OF CRANKSHAFT 45 X.060/.030 CHAMFER ALL CRANKSHAFTS EXCEPT 262586 WHICH HAS 45 X.09/.06 BRIGGS & STRATTON EXT. NO. QS1M Q16M Q161 Q251 Q25M Q41 Q4M 498563 QUANTUM POWER CRANKSHAFT EXTENSION DIMENSION CHART PRODUCTION ASSEMBLY NUMBER 498564 498562 498565 498573 498566 498569 498568 498571 A.048 3.156 3.156 3.156 2.438 2.438 2.438 2.438 1.812 1.812 B.058 2.727 2.727 2.727 2.009 2.009 2.009 C Ø.9843.9833 (Ø 25MM) Ø.874.873 Ø.9843.9833 (Ø 25MM) Ø.874.873 Ø.9843.9833 (Ø 25MM) Ø.874.873 Ø.874.873 D.410.410.410.410.410 Ø.9843 1.383.9833.410 (Ø 25 MM) E 1.840 1.840 1.190 1.190 F WOODRUFF KEY NO. (NOM. SIZE) 605 (3/16 X 5/8) 505 (5/32 X 5/8) 605 (3/16 X 5/8) 505 (5/32 X 5/8) G WOODRUFF KEY NO. (NOM. SIZE) 605 (3/16 X 5/8) 505 (5/32 X 5/8) 505 (5/32 X 5/8) 605 (3/16 X 5/8) 505 (5/32 X 5/8) 505 (5/32 X 5/8) 605 (3/16 X 5/8) H.020 1.520 1.520 1.260 1.250 1.250 1.020 J SQUARE KEY SIZE (W X H).438 20 UNF 2B 94 DEEP MIN.375 24 1/4 X 1/4 UNF 2B 94 DEEP MIN.375 24 3/16 X 3/16 UNF 2B 94 DEEP MIN.438 20 3/16 X 3/16 UNF 2B 1.06 DEEP MIN.375 24 3/16 X 3/16 UNF 2B 94 DEEP MIN.375 24 1/4 X 1/4 UNF 2B 94 DEEP MIN.375 24 UNF 2B 94 DEEP MIN.375 24 3/16 X 3/16 UNF 2B 94 DEEP MIN.375 24 UNF 2B 94 DEEP MIN K L M.045 2.341 2.635 2.564 1.917 1.847 1.917 1.917 1.221 1.291 SEE DETAIL DWG. 2.833 2.833 2.115 2.115 2.115 2.115 1.489 1.489 R SEE DETAIL DWG..320.280.320.280.320.280.320.280.320.280.320.280.320.280.320.280 V/45-60/QUANTUM/7-99/p. 21
BRIGG AUXILIARY DRIVE * CONTACT FACTORY FOR SHAFT AVAILABILITY * ROTATION CRANKSHAFT ELECTRIC STARTER CRANKSHAFT V/45-60/QUANTUM/7-99/p. 22
BRIGG Torque (ft lbs) 5.8 5.6 5.4 5.2 (N m) 7.9 7.6 7.3 7.0 5.0 6.8 1800 2000 2200 2400 2600 2800 3000 3200 REVOLUTIONS PER MINUTE Torque (ft lbs) 6.2 (N m) 8.4 6.0 8.1 5.8 7.9 5.6 7.6 5.4 7.3 5.2 1800 2000 2200 2400 2600 2800 3000 3200 7.0 REVOLUTIONS PER MINUTE V/45-60/QUANTUM/7-99/p. 23
BRIGG Torque (ft lbs) 7.0 (N m) 9.5 6.5 8.8 6.0 8.1 5.5 7.5 5.0 1800 2000 2200 2400 2600 2800 3000 3200 6.8 REVOLUTIONS PER MINUTE Torque (ft lbs) 7.0 (N m) 9.5 6.5 8.8 6.0 8.1 5.5 7.5 5.0 1800 2000 2200 2400 2600 2800 3000 3200 6.8 REVOLUTIONS PER MINUTE V/45-60/QUANTUM/7-99/p. 24
BRIGG ENERGY AVERAGE db(a) at 4 METERS 75 74 73 72 71 70 69 68 67 66 65 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 REVOLUTIONS PER MINUTE 45 AVERAGE NL NL UPPER & LOWER LIMITS ENERGY AVERAGE db(a) at 4 METERS 75 74 73 72 71 70 69 68 67 66 65 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 REVOLUTIONS PER MINUTE 50 AVERAGE NL NL UPPER & LOWER LIMITS V/45-60/QUANTUM/7-99/p. 25
BRIGG ENERGY AVERAGE db(a) at 4 METERS 75 74 73 72 71 70 69 68 67 66 65 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 REVOLUTIONS PER MINUTE 55 AVERAGE NL NL UPPER & LOWER LIMITS ENERGY AVERAGE db(a) at 4 METERS 75 74 73 72 71 70 69 68 67 66 65 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 REVOLUTIONS PER MINUTE 60 AVERAGE NL NL UPPER & LOWER LIMIT V/45-60/QUANTUM/7-99/p. 26