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PAGE 4 — MQ SP2 SLAB SAW — PARTS & OPERATION MANUAL — REV. #7 (09/08/06)
MQ SP2 SLAB SAW — TABLE OF CONTENTS
SELF-PROPELLED MODELS ONLSELF-PROPELLED MODELS ONL
SELF-PROPELLED MODELS ONLSELF-PROPELLED MODELS ONL
SELF-PROPELLED MODELS ONL
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Battery Assembly .................................................... 72-73
Transmission Engage Lever Assembly .................... 74-75
Hydrostatic Transmission Assembly ........................ 76-77
Hydrostatic Drive Assembly .................................... 78-79
HONDA GX390K1QWT2
GASOLINE ENGINE
Air Cleaner Assembly .............................................. 80-81
Camshaft Assembly ................................................ 82-83
Carburetor Assembly ............................................... 84-85
Control Assembly .................................................... 86-87
Crankcase Cover Assembly .................................... 88-89
Crankshaft Assembly .............................................. 90-91
Cylinder Barrel Assembly ........................................ 92-93
Cylinder Head Assembly ......................................... 94-95
Fan Cover Assembly ............................................... 96-97
Flywheel Assembly ................................................. 98-99
Fuel Tank Assembly .............................................100-101
Ignition Coil Assembly ..........................................102-103
Muffler Assembly .................................................104-105
Piston Assembly ..................................................106-107
Recoil Starter Assembly ...................................... 108-109
Labels ................................................................... 110-111
HONDA GX620TXF2
GASOLINE ENGINE
Air Cleaner Assembly ........................................... 112-113
Camshaft Assembly ............................................. 114-115
Control Assembly ................................................. 116-117
Control Box...........................................................118-119
Crankcase Cover Assembly ................................. 120-121
Crankshaft Assembly ........................................... 122-123
Cylinder Barrel Assembly .....................................124-125
Cylinder Head Assembly ......................................126-127
Fan Cover Assembly ............................................ 128-129
Flywheel Assembly ..............................................130-131
Ignition Coil Assembly ..........................................132-133
Muffler Assembly .................................................134-135
Piston Assembly ..................................................136-137
Fuel Tank Assembly .............................................138-139
Fuel Pump ............................................................ 140-141
Carburetor Assembly ............................................ 142-143
Starter Motor Assembly ....................................... 144-145
Gasket Kit Assembly ...........................................146-147
Labels ................................................................... 148-149
Terms and Conditions of Sale — Parts ...................... 150
MQ SP2 STREET PRO SAWS
Proposition 65 Warning ................................................... 2
Here's How To Get Help .................................................. 3
Table Of Contents ........................................................... 4
Parts Ordering Procedures ............................................. 5
Specifications ................................................................. 6
Dimensions ..................................................................... 7
Safety Message Alert Symbols .................................. 8-9
Rules for Safe Operation ......................................... 10-12
Decals .......................................................................... 13
Major Components ....................................................... 14
13 HP Engine Components .......................................... 15
20 HP Engine Components .......................................... 16
General Information ................................................. 17-18
Inspection ................................................................ 19-20
Inspection Blade ........................................................... 21
Inspection Blade Placement ......................................... 22
Inspection-Guards, Covers, and V-Belts ....................... 23
Inspection-V-Belts and Water Tank ............................... 24
Manual Start-up Procedure ...................................... 25-26
Electric Start-up Procedure .......................................... 27
Shutdown Procedures .................................................. 28
Operation ................................................................. 29-32
Maintenance ............................................................ 33-37
13HP Engine Wiring Diagram ........................................ 38
20HP Engine Wiring Diagram ........................................ 39
Troubleshooting (Engine) ......................................... 40-41
Troubleshooting (Blade) ................................................ 42
Explanation Of Codes In Remarks Column .................. 42
Suggested Spare Parts ................................................ 43
COMPONENT DRAWINGS
Nameplate and Decals ............................................ 44-45
Under Carriage Assembly ........................................ 46-47
Blade Shaft Assembly ............................................. 48-49
Lifting Bale Assembly ............................................. 50-51
Console (Push) Assembly ....................................... 52-53
Console (Self-propelled) Assembly .......................... 54-55
13 HP Engine Mount Assembly .............................. 56-57
20 HP Engine Mount Assembly .............................. 58-59
13 HP Engine Assembly ......................................... 60-61
20 HP Engine Assembly ......................................... 62-63
Pointers And Covers ................................................ 64-65
Water System Assembly ......................................... 66-67
Blade Guard Assembly ............................................ 68-69
Manual Raise and Lower Assy. (20 inch) ................. 70-71