LawnMaster NPTGSS2617A Service Manual Download Page 11

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PARTS AND FEATURES

26CC 2-CYCLE ENGINE PART LIST

Key

Number

Application

Description

Quantity

321001130

Spark Plug Cover

321001131

Nut

321001132

Upper Engine Cover

321001133

Logo

321001134

$LU'HÀHFWRU

321002109

Cylinder Air Damper

321001136

0XIÀHU&RYHU

321001137

0XIÀHU

321001138

Insulation Sheet

321001139

Spark Plug

321002110

Gasket

321002111

Ignition Coil Assembly

321002112

Positive Stop Switch Cable

321002113

Spacer Set

321002114

Cylinder

321002115

Gasket

321001143

Pawl Assembly

321002116

Electric Starter Assembly

321002117

Rear Engine Cover

321002118

Carburetor Mount Assembly

321002119

Washer

321002120

Carburetor

321001147

Air Filter Base

321001148

Air Filter

321001149

Air Filter Cover

321001150

Rotary Knob

321001151

Choke Lever

321001152

Fuel Cap

321002121

Fuel Tank Grommet

321002122

Fuel Tank

321002123

Fuel Tube

321002124

Fuel Tube

321002125

Fuel Line Filter

321001154

Rubber Pad

Summary of Contents for NPTGSS2617A

Page 1: ...SERVICE MANUAL 26cc 2 Cycle Grass Trimmer NPTGSS2617A NPTGCP2617A Read all safety rules and instructions carefully before servicing this tool 601 Regent Park Court Greenville SC 29607 1 866 384 8432...

Page 2: ...RULES 5 PARTS AND FEATURES 6 12 WIRING DIAGRAM AND MANAGEMENT 13 GENERAL TROUBLESHOOTING 14 22 AIR FUEL SYSTEM 23 30 THROTTLE AND STARTER SYSTEM 31 33 NOPULL STARTER SYSTEM 34 37 26CC 2 CYCLE ENGINE...

Page 3: ...es UNIT SPECIFICATIONS Engine Fuel System General Application Description Torque Torque IN LBS N m Crankcase Tighten the screws securing the front and back sections of the crankcase 53 62 6 7 Cylinder...

Page 4: ...over Tighten the screws M5 10 securing the spark plug cover to upper engine cover Screw for spark plug cover 18 27 2 3 Screw for upper engine cover 27 35 3 4 Tighten the screw ST3 5 10 securing the up...

Page 5: ...ith a damaged guard or without the guard in place Avoid getting into direct contact with the line Always remember to keep both hands on the control handles when the engine is running R QRW RSHUDWH WKH...

Page 6: ...6 PARTS AND FEATURES NPTGSS2617A EXPLODED VIEW...

Page 7: ...5 321001111 Clutch Assembly 1 5 1 321001112 Bolt 4 6 321001113 Wire Lock 1 7 321001114 7 2V Lithium Ion Battery 1 8 321001115 Aluminum Trimmer Shaft 1 9 321001116 Assist Handle Assembly 1 9 1 3210011...

Page 8: ...8 PARTS AND FEATURES NPTGCP2617A EXPLODED VIEW...

Page 9: ...001111 Clutch Assembly 1 5 1 321001112 Bolt 4 6 321001113 Wire Lock 1 7 321001114 7 2V Lithium Ion Battery 1 8 321002101 Aluminum Upper Trimmer Shaft 1 9 321001116 Assist Handle Assembly 1 9 1 3210011...

Page 10: ...10 PARTS AND FEATURES EXPLODED VIEW 26CC 2 CYCLE ENGINE...

Page 11: ...112 Positive Stop Switch Cable 1 14 321002113 Spacer Set 4 15 321002114 Cylinder 1 16 321002115 Gasket 1 17 321001143 Pawl Assembly 1 18 321002116 Electric Starter Assembly 1 19 321002117 Rear Engine...

Page 12: ...02144 Woodruff Key 1 49 321002145 Clutch Assembly 1 50 321002146 Flat Washer 2 51 321002147 Corrugated Washer 2 52 321002148 Bolt 2 53 321002149 Flywheel Cover 1 54 321002150 Round Ring 2 55 321002151...

Page 13: ...ngine Cover Ignition 2S Battery Pack Stop Switch Self reset 3 5 Bullet Terminal lgnition Coil Spark Plug 3 5 Bullet Terminal Handle Engine Starter Switch Self reset RD VCC GND M M VCC VCC RD RD BK BK...

Page 14: ...t and the battery indicator LED is continuously on There may be an open circuit from the PCB output to the motor connecting line Check that if open circuit occurs from the PCB output to the motor conn...

Page 15: ...rrect carburetor adjustment Re adjust the carburetor Carburetor washer hardens Replace The main nozzle of the carburetor is blocked Clean or replace the carburetor if necessary The spark plug is worn...

Page 16: ...nkcase has air leakage Replace the gasket Cylinder has air leakage Replace the gasket No fuel Add fuel No fuel in primer bulb Prime the bulb Engine is not choked Engage the choke Check valve of the fu...

Page 17: ...broken Replace Clutch friction plate is broken Replace The engine accelerates but the trimmer head does not rotate Spline of the drive shaft or the spline of the transmission yoke is worn out Replace...

Page 18: ...ne compression should be 0 6MPa Ignition System See Figs 4 9 5HPRYH WKH XSSHU HQJLQH FRYHU E UHPRYLQJ WKH VFUHZV ZLWK WKH SURYLGHG KH ZUHQFK DQG screwdriver Fig 4 6 1 2 5 3 4 Fig 5 Fig 4 Fig 2 Fig 1 E...

Page 19: ...as instructed in step 3 of the Ignition Coil Replacement section Fig 9 Fig 8 Fig 7 Ignition Coil Replacement See Figs 10 11 5HPRYH WKH VFUHZV 5HPRYH WKH LJQLWLRQ FRLO DQG WKH ZDVKHUV LJ Fig 11 Fig 10...

Page 20: ...HU RU ZUHQFK LJ 5HPRYH WKH EROWV DQG FRUUXJDWHG ZDVKHUV 7KHQ UHPRYH WKH FOXWFK DQG DW ZDVKHUV LJ 5HSODFH ZLWK D QHZ FOXWFK 6OLGH WKH FRUUXJDWHG ZDVKHUV RQWR WKH EROWV 7KHQ LQVWDOO WKH EROWV WRJHWKHU Z...

Page 21: ...w rods and are protruded longer than screw rod Rotate the screw rods and clockwise into the corresponding threaded holes as shown in Fig 21 Make sure screw rods and are level and in same length Then u...

Page 22: ...ig 22 KHFN WKH ZRRGUXII NH LV LQ JRRG FRQGLWLRQ DQG LQVWDOOHG LQWR SODFH DPLQH LW IRU VLJQV RI GDPDJH KHFN LI WKH URWRU PDJQHWV PHHW WKH UHTXLUHPHQWV KHFN WKDW WKH QV DUH LQ JRRG FRQGLWLRQ 5HSODFH ZLW...

Page 23: ...idle speed To adjust the idle speed adjust the T screw together with the L screw VFUHZ DGMXVW WKH ORZ VSHHG RZ UDWH DQG DVVLVW WKH 7 VFUHZ WR DGMXVW WKH LGOH VSHHG VFUHZ DGMXVW WKH KLJK VSHHG RZ UDWH...

Page 24: ...G UXQ DW KDOI RU ORZ WKURWWOH IRU DERXW PLQXWHV WR ZDUP WKH HQJLQH 2QFH WKH engine warms up run the trimmer at full throttle and bump the trimmer head on the grass or ground 2 to 3 times to advance th...

Page 25: ...LV PD VSHHG FRXOG EH JUHDWHU WKDQ RU OHVV WKDQ 530 GMXVW WKH 7 VFUHZ I WKH PD VSHHG DGMXVWHG LQ SUHYLRXV VWHS LV JUHDWHU WKDQ 530 WXUQ WKH 7 VFUHZ FRXQWHU clockwise using the screwdriver Observe the R...

Page 26: ...DLU OWHU 5HPRYH WKH QXWV DQG ZDVKHUV RQ WKH DLU OWHU EDVH E URWDWLQJ WKH VRFNHW ZUHQFK FRXQWHU FORFNZLVH 5HPRYH WKH DLU OWHU EDVH LJ 8QSOXJ WKH IXHO WXEHV ZLWK KDQGV RU SOLHUV 3 77 17 21 127 WR GDPDJH...

Page 27: ...WKH were removed I WKH FDUEXUHWRU PRXQW QHHGV WR EH UHSODFHG UHPRYH WKH VFUHZV WR UHPRYH LW LJ 5HPRYH WKH JDVNHW RI WKH FDUEXUHWRU PRXQW LJ 5HSODFH ZLWK D QHZ FDUEXUHWRU PRXQW DQG JDVNHW 0DNH VXUH WR...

Page 28: ...Replacement 5HPRYH WKH XSSHU HQJLQH FRYHU 5HPRYH WKH VFUHZV WR UHPRYH WKH ORZHU HQJLQH FRYHU ZLWK WKH SURYLGHG KH ZUHQFK DQG screwdriver Fig 43 44 5HPRYH WKH VFUHZV RQ WKH HOHFWULF VWDUWHU DVVHPEO WR...

Page 29: ...UH UHSODFHG LQ WKH H DFW RUGHU LQ ZKLFK WKH ZHUH UHPRYHG Insert the Fuel Tube Connect the fuel tubes with the carburetor The black tube is for fuel entering The transparent is for fuel return The fuel...

Page 30: ...SPHQW LV UHTXLUHG ZKHQ UHPRYLQJ WKH PXI HU LJ 7KH F OLQGHU QV DQG KRXVLQJV VKRXOG EH FKHFNHG SHULRGLFDOO DQG FOHDQHG WR KHOS SUHYHQW WKH HQJLQH IURP RYHUKHDWLQJ KHFN WKH F OLQGHU H KDXVW SLVWRQ DQG SL...

Page 31: ...P WKH HOHFWULF VWDUWHU FRYHU SODWH DQG WKHQ UHPRYH WKH HOHFWULF starter cover plate Remove the cable tie A new cable tie is needed for reassembly Fig 57 5HPRYH WKH WKURWWOH VDIHW DQG WKH WULPPHU VKDIW...

Page 32: ...shown Fig 61 Make sure the throttle safety and the torsional spring are installed into place Fig 62 Install the electric starter cover plate 5HVWRUH WKH ULJKW FRYHU RI WKH PDLQ KDQGOH E WLJKWHQLQJ WK...

Page 33: ...KUXVW LQWR the engine cover UDS WKH FRQQHFWHG WHUPLQDOV RI WKH ZLULQJ KDUQHVV ZLWK WKH FRUUXJDWHG SLSH EXFNOH LJ 5HFKHFN WR HQVXUH WKDW DOO WKH LQVXODWLRQ FRYHULQJ RXWVLGH WKH ZLULQJ KDUQHVV VKRXOG ZU...

Page 34: ...en this occurs release the start button and press it again to re start the electric motor Troubleshooting 7KH HOHFWULF PRWRU GRHV QRW VWDUW ZKHQ SUHVVLQJ WKH VWDUW EXWWRQ FFRUGLQJ WR LQGLFWRUV WKH pos...

Page 35: ...L HG RQ WKH ZKHHO E If the battery indicator LED is continuously on check that if an open circuit occurs from the PCB output to the motor connecting line When pressing the start button and the LED is...

Page 36: ...WKH EDWWHU LQGLFDWRU LQGLFDWHV DQ RYHUFXUUHQW LQ WKH HOHFWULF starter Check if the engine is stuck and cannot be rotated smoothly 7KH HOHFWULF PRWRU VWDUWV QRUPDOO EXW WKH GRHV QRW WXUQ RQ ZKHQ SUHVV...

Page 37: ...fails the possible causes are 1 An open circuit in the connection position between the wiring harness of the engine and the ignition coil 2 An open circuit in in the connection position between the wi...

Page 38: ...HU PDOIXQFWLRQV GLVDVVHPEOH LW WR FKHFN LI WKH HOHFWULF motor is broken test if the wires are in good condition and the gears are in working order XHO WDQN KHFN LI WKHUH LV OHDNDJH LQ WKH WDQN RU LQ W...

Page 39: ...oad Spool QVHUW WKH SURYLGHG KH ZUHQFK LQWR WKH KROH RQ WKH DQJH WR ORFN WKH VSLQGOH 7KHQ URWDWH WKH trimmer head clockwise to remove Fig 76 7R LQVWDOO WKH QHZ WULPPHU KHDG KROG WKH KH ZUHQFK WR ORFN...

Page 40: ...necessary to remove the trimmer head housing from the drive shaft QVWDOO WKH QHZ VSRRO LQWR WKH WULPPHU KHDG 7R UHLQVWDOO WKH WULPPHU KHDG FRYHU UVW DOLJQ WKH PRXQWLQJ KROHV RQ WKH WULPPHU KHDG FRYHU...

Page 41: ...ULPPHU head housing as shown Then press the locking tabs and push the spool cover onto the trimmer head housing Make sure they are secured tightly Fig 85 Fig 83 LINE REPLACEMENT See Figs 86 91 Straigh...

Page 42: ...3UHVV DQG URWDWH WKH VSRRO KHDG FORFNZLVH WR ZLQG WKH OLQH LQ WKH VSRRO LJ 8VLQJ VKHDUV RU D ZLUH FXWWHU FXW WKH OLQH LQ WKH PLGGOH OHDYLQJ DW OHDVW D IHZ LQFKHV RI OLQH protruding from each side KHF...

Page 43: ...LQG WKH OLQH LQ WKH 5 GLUHFWLRQ LQGLFDWHG RQ WKH VSRRO 3ODFH WKH HQGV RI WKH OLQH LQ WKH WZR RSSRVLWH SDUNLQJ VORWV RI WKH VSRRO OHDYLQJ VRPH RI WKH OLQH RXW Fig 91 KHFN WKH VSRRO FRYHU VSRRO DQG WUL...

Page 44: ...warranty 1 Any part that has become inoperative due to alteration misuse commercial use abuse neglect accident or improper storage or maintenance 2 The unit if it has not been operated and or maintain...

Page 45: ......

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