REVISED STARTING SERIAL NO. 060604 PARTS MANUAL Model SK-4 4 DOWNCUT CONCRETE/ASPHALT WALK BEHIND SAWS SKU NO. MODEL POWER OPTION 45400D SK4-9H HONDA ENGINE 9 HP GX0 45600D SK4-H HONDA ENGINE HP GX40 4800D SK4-H HONDA ENGINE HP GX90 49800D SK4-.5RS ROBIN SUBARU ENGINE EH4 45500 SK4-9RS ROBIN SUBARU ENGINE EX 48900D SK4-KC KOHLER COMMAND ENGINE CST Page
ILLUSTRATION : MAIN FRAME GROUPING 0 9 8 6 6 9 4 5 6 8 5 4 4 8 9 8 4 4 4 40 5 0 9 9 8 6 Page 4 5 6 4 4 5 6
PARTS LISTING - ILLUSTRATION : MAIN FRAME GROUPING ITEM # PART # DESCRIPTION QTY. 500 MAIN FRAME 50 HANDLE BAR 009 SCREW, CAP /8-4 x -/4 4 4 005 WASHER, FLAT /8 8 5 0004 NUT, LOCK /8-4 4 6 0608 GRIP, HAND MODEL AT 80008 HANDWHEEL, SMALL w/ 5/8- x ROD 8 04 SCREW, SKT. HD. CAP /- x 4 9 50550 SLEEVE FOR / CAPSCREW, TAPERED 0 40 KNOB, BALL -/8 DIA. w/ /- THD. 8000 DECAL, CUT CONTROL (SMALL) 80009 BEARING, BALL 5/8 -HOLE FLANGE (NO G.F.) 04 BOLT, CARRIAGE /4-0 x 4 0 WASHER, FLAT 5/6 5 060 WASHER, FLAT /4 6 086 NUT, KEPS /4-0 5500 SPACER, HANDWHEEL 5/8 ID x /4 8 0046 NUT 5/8-9 504 PLUG, RECT. HOLE, PLASTIC SNAP-IN 0 506 LINKAGE, CUT CONTROL 0 SCREW, CAP /-0 x -/4 005 NUT, LOCK /-0 506 FORK 4 500 SPACER, FRONT WHEEL /4 ID x 5/6 5 500 WHEEL, ALUM. 4 x -/ x /4 BRG. 6 0009 WASHER, FLAT /4 06 PIN, COTTER /6 x -/4 8 90 WHEEL 8 X -/ X /4 BRG. 9 506 AXLE SHAFT /4 DIA. x 9-/4 L 0009 WASHER, FLAT /4 6 06 PIN, COTTER /6 x -/4 500 GUIDE BAR 00 SCREW, CAP /8-4 x 4 005 WASHER, FLAT /8 5 0004 NUT, LOCK /8-4 6 0885 SCREW, CAP /8-4 x 005 WASHER, FLAT /8 4 8 00 SPACER, STEEL 5/8 OD x /8 ID x /8 9 0004 NUT, LOCK /8-4 40 5004 WHEEL, 4 x -/8 x /8 BORE 4 50 BUMPER, RUBBER OD x /6 ID x /6 H 4 50 RIVET, BLIND /6 x. L x.5 HD Page 5
ILLUSTRATION : ARBOR & BLADE GUARD GROUPING 9 8 6 4 5 4 9 8 4 5 6 Page 6 0 0 6 5 9 8 4
PARTS LISTING - ILLUSTRATION : ARBOR & BLADE GUARD GROUPING ITEM # PART # DESCRIPTION QTY. 69050A ARBOR ASSEMBLY COMPLETE (ITEMS -) 69050 ARBOR SHAFT DIA. x 9-/4 60 BEARING, BALL -HOLE FLANGE 4 096 FITTING, GREASE /4-8 x 90 5 0960 FITTING, GREASE /4-8 x 45 6 000 SCREW, CAP /6-0 x -/4 4 0450 WASHER, LOCK /6 4 8 048 NUT /6-0 4 9 0 PIN, ROLL 5/6 x 0 5606 ARBOR BACKING PLATE 4 DIA. 5605 ARBOR BLADE CAP 4 DIA. w/ HOLE 55009 WASHER, LOCK, INT. TOOTH 5009 NUT, JAM -4 4 800 SHEAVE, OD x Gr.A x BORE 5 05 KEY /4 SQ. x 6 5005A BLADE GUARD ASSEMBLY COMPLETE (INCLUDES ITEMS - 0. NOTE: ALSO INCLUDES LATCH KEEPER BRACKET, SEE ITEM ) 5005 GUARD, BLADE 4 8 04 ELBOW, STREET / NPT x 90 (BLACK) 9 09 BARB, /8HOSE X /FPT 0 8004 NOZZLE, COOLANT /8 MPT w/ 4 TUBES 50069 CLAMP, HOSE, SAE #6, ADJ. TO /6 560 HOSE, WATER /8 ID X 4 L 099 BARB ELBOW 90, /8HOSE X /4MPT 4 098 TIE, CABLE, BLACK NYLON -/4 5 0846 SCREW, CAP STSHW /4-0 X / 6 560 BRACKET, WATER VALVE 0 VALVE, BALL / FPT 8 800 CONN., SWIVEL FEMALE /4 HOSE x / MPT INCLUDES HOSE WASHER, ITEM # 9 9 000 WASHER, HOSE /4 500 LATCH, FLEXIBLE DRAW w/ T-HANDLE&KEEPER BRKT. 500K LATCH KEEPER BRACKET ONLY 08 SCREW, MACHINE 0- x / 08 WASHER, LOCK, INT. TOOTH # 0 4 08 NUT 0-4 4 50445 WRENCH, ARBOR -/ Page
ILLUSTRATION : ENGINE GROUPING 4 4 6 8 8 0 9 6 8 5 4 0 9 5 4 9 5 6 ITEM# PART# DESCRIPTION QTY. ENGINE, 50 HONDA 9HP GX0-QXC9 9045 HONDA HP GX40 K-QXC9 509 HONDA HP GX90K-QXC9 506 ROBIN SUBARU 9 HP EX CYC. 5066 ROBIN SUBARU.5 HP EH4 CYC. 5045 KOHLER HP COMMAND CST 098 BOLT, CARRIAGE 5/6-8 x -/4 4 0 WASHER, FLAT 5/6 4 4 080 WASHER, LOCK 5/6 4 5 0054 NUT 5/6-8 4 6 4088 CABLE, THROTTLE, LEVER-TYPE 4 08 SCREW, CAP STSHW 0-4 x / 8 098 TIE, CABLE, BLACK NYLON -/4 9 565 CLAMP, LOOM, 5/8 (SAE SIZE 0) 0 08 SCREW, CAP STSHW 0-4 x / 54 BARB, PUSH-ON /8 HOSE x mm x.5 MALE 506 HOSE, PUSH-ON /8 ID x 0-/ L 544 BARB, PUSH-ON /8 HOSE x /4 FPT 4 06 PIPE PLUG /4 NPT (BRASS) 5 604 CLIP, ADHESIVE BACK CORD 5/8x5/8 Page 8 ITEM# PART# DESCRIPTION QTY. 6 505 BOLT, TAP /8-6 x -/ (FULL THREAD) 0404 NUT /8-6 8 0 LIFTING BAIL, HORZ. SHAFT (HONDA ONLY) 9 0055 SCREW, CAP /8-6 X 0 08 WASHER, LOCK /8 005 WASHER, FLAT /8 SAE 0 SPACER, STEEL 9/6OD X /8ID X / 50 BRACKET, BELT COVER 4 0048 SCREW, CAP 5/6-4 X /4 5 080 WASHER, LOCK 5/6 6 0 WASHER, FLAT 5/6 SAE 800 SHEAVE OD x Gr.A x BORE 8 0 KEY /4 SQ. x -/4 9 05 BELT AX- 50 COVER, BELT 008 SCREW, CAP /4-0 X /4 008 WASHER, LOCK /4 060 WASHER, FLAT /4 SAE 4 50A SWITCH SUBASSY., ROCKER ON-OFF (INCLUDES WIRES) 50 SWITCH ONLY, ROCKER ON-OFF
ILLUSTRATION 4: CE BLADE GUARD WITH SAFETY SWITCH E-SK4-PL-0606 8 6 4 5 ITEM # PART # DESCRIPTION QTY. 5005E GUARD, BLADE 4 CE (REFER TO ILLUS. FOR OTHER PARTS) 00 SCREW, CAP /8-4 x 004 NUT /8-4 4 5040 SWITCH, WATERPROOF, -WIRE N/C 5 504 BRACKET, SAFETY SWITCH 6 08 SCREW, CAP STHW 0-4 x / 50084 TERM., RING # 0 6-4 GA. INSULATED 8 098 CONNECTOR, BUTT 6-4 GA. INSULATED Page 9
ILLUSTRATION 5: OPTIONAL WATER TANK ASSEMBLY PART # 50 5 6 4 6 9 8 8 5 8 9 0 0 4 BLADE GUARD ASSY, HOSE, & CLAMP NOT INCLUDED W/ WATER TANK ASSY., SEE ILLUS. ) Page 0
PARTS LISTING : ILLUSTRATION 5: OPTIONAL WATER TANK ASSEMBLY ITEM # PART # DESCRIPTION QTY. 50 DRUM, PLASTIC 5 GALLON, /4 NPT CAP 505 TIE-DOWN STRAP, MOLDED RUBBER 4 506 TRAY, WATER TANK 4 50 MOUNT BRACKET, WATER TANK (RIGHT) 5 508 MOUNT BRACKET, WATER TANK (LEFT) 6 005 SCREW, CAP 5/6-8 x /4 4 0 WASHER, FLAT 5/6 8 8 080 WASHER, LOCK 5/6 4 9 0054 NUT 5/6-8 4 0 009 SCREW, CAP /8-6 x -/4 4 005 WASHER, FLAT /8 8 0004 NUT, LOCK /8-6 4 084 BOLT, SPADE /8-6 x - 5/8 4 080 NUT, LOCK /8-6 4 5 504 BUSHING, HEX /4 x /4 NPT (BRASS) 6 099 BARB, ELBOW 90 /8 HOSE x /4 MPT (BRASS) 50069 CLAMP, HOSE, SAE #6, ADJ. TO /6 5 8 508 HOSE, WATER, /8 x -/4 9 6 COUPLING, QUICK-DISCONNECT /8 (SPECIAL FITTING w/ SHUT-OFF) 0 50 VALVE KIT, STOPCOCK /4 NPT (INCLUDES FITTINGS) 00 SCREW, CAP /4-0 x 0 WASHER, FLAT 5/6 005 NUT, LOCK /4-0 FLUSH LOCATE MOUNT BRACKET ON BOTH SIDES OF HANDLE BAR AND DRILL THRU /8 DIA., 4 PLACES. Page