LawnMaster NPTGSS2617A User manual

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

2
Section Page
CONTENTS
CONTENTS 2
SPECIFICATIONS 3-4
GENERAL SAFETY 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 38
GEAR HEAD AND SPOOL 39-43
MANUFACTURER'S WARRANTYAND CONTACT 44

3
SPECIFICATIONS
TORQUE SPECIFICATIONS
Engine Size 2-Stroke / Full Crank
Engine Displacement 26cc
Ignition Capacitor Discharge Ignition (CDI)
Carburetor All Position Diaphragm Type With Primer Bulb
Air Filter Foam (Dry)
Engine Shut Off Auto-Reset
Throttle Control Variable Speed Trigger
Fuel / Oil Ratio 40 : 1
Fuel Tank Capacity 400 ml
Spark Plug Champion RCJ6Y
Rotor Air Gap 0.012”-0.015” (0.30-0.40 mm)
Spark Plug Gap 0.026” (0.65 mm)
Run Time on Full Tank 40 Minutes
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 to crankcase Tighten the screws securing the cylinder to crankcase. 53-62 6-7
Flywheel to crankshaft 3UHVFUHZWKHÀDQJHKH[DJRQQXW0DQGWKHQ
tighten. 89-133 10-15
Spark plug to cylinder Pre-screw the spark plug to cylinder, and then tighten
with pneumatic screwdriver. 115-137 13-15.5
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Ignition coil to cylinder Tighten the screws securing the ignition coil to
cylinder. 27-35 3-4

4
SPECIFICATIONS
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crankcase. 62-71 7-8
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Carburetor mount to
cylinder Tighten the screws securing the carburetor mount to cylinder. 35-44 4-5
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carburetor Pre-screw the nuts (M5) with washers, and then tighten. 27-35 3-4
Pawl to crankshaft Pre-screw the pawl assembly to crankshaft, and then
tighten with pneumatic screwdriver. 106-133 12-15
Fuel Tank to crankcase Tighten the bolt (M5×10L) securing the fuel tank
bracket to crankcase. 18-27 2-3
Electric starter
assembly to engine
body
Tighten the screws (M5×60) securing the electric
starter assembly to engine body. 27-35 3-4
Flywheel cover to
crankcase 7LJKWHQWKHVFUHZV0îVHFXULQJWKHÀ\ZKHHO cover to crankcase. 53-64 6-7.2
Lower engine cover Tighten the screws securing the lower
engine cover.
First, screw (ST3.5×10), cross
head. 2-4 0.2-0.5
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socket head. 27-35 3-4
Upper engine cover Tighten the screws (M5×35) securing the upper engine
cover. 27-35 3-4
Spark plug cover to
upper engine cover
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 upper and
ORZHUHQJLQHFRYHUVRQPXIÀHUVLGH 9-18 1-2
Assist handle to shaft Tighten the screw (ST3.9×16F) securing the assist
handle ball socket and joint. 9-18 1-2
Throttle-body set to
shaft
Tighten the self-taping screws (ST3.9×16F) securing
the right and left parts of the main handle. 18-22 2-2.5
Tighten the countersunk head self-taping screws
(ST4.8×7) securing the main handle to shaft. 18-22 2-2.5
Shaft connection
sleeve to upper shaft
(Curved split shaft
NPTGCP2617A only)
Tighten the self-taping screw (ST4.8×8) securing the
shaft connection sleeve to upper shaft. 18-22 2-2.5
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securing the shaft connection sleeve. 18-22 2-2.5
LED light panel to
starter switch base
Tighten the screw (ST2.2×6F) securing the LED light
panel to starter switch base. 9-13 1-1.5
Tighten the screw (ST3.9×16F) securing the starter
switch pressing plate and the start button. 9-13 1-1.5
Debris guard
mounting bracket to
shaft (Straight shaft
NPTGSS2617A only)
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the debris guard mounting bracket to shaft. 13-18 1.5-2

5
GENERAL SAFETY RULES
SAFETY
To protect the eyes from loose objects that could be thrown from the trimmer, always wear eye
protection with side shields marked to comply with ANSI Z87.1 when operating the trimmer.
Use only genuine manufacturer’s replacement parts for this product. Failure to do so may cause poor
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Scarfs, neckties, jewelry, jackets or other loose clothing and accessories should be avoided as they
can be caught on or become entangled in the trimmer. Secure hair so it is above shoulder level. To
protect your legs and feet, long pants and closed toed shoes should be worn.
To improve your grip and protect your hands, wear heavy-duty nonslip gloves.
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GENERAL TRIMMER SAFETY
Never operate the trimmer with 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.
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to operating the trimmer.
Empty the fuel tank before storing if the trimmer will not be used for a few days.
Make sure the control handles have not accumulated oil and fuel and are clean and dry.
See Operator’s Manual for additional safety precautions.
WORK AREA
Operate only in well ventilated areas.
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for storing gasoline. Wipe the trimmer dry if fuel is spilled on it. Always move away from the fueling
area before starting the engine.
Fuel the trimmer at least 10 ft. (3 m) from the place where you start the engine and operate the
trimmer.
NOTE: The trimmer head will rotate during carburetor adjustment. Wear protective equipment and
observe all safety instructions.

6
PARTS AND FEATURES
NPTGSS2617A EXPLODED VIEW

7
PARTS AND FEATURES
NPTGSS2617A PARTS LIST
Key
Number Application Description Quantity
1 321001101 Cleva 26cc 2-Cycle Engine 1
2 321001102 Throttle-body & Starter Set 1
2.1 321001103 Throttle-body Set 1
2.2 321001104 Starter Set 1
2.2.1 321001105 Electric Switch 1
2.2.2 321001106 Starter Switch Assembly 1
2.2.3 321001107 Stop Switch Set 1
2.2.4 321001108 PCB Assembly 1
3 321001109 Handle Spacer 2
4 321001110 Cable Clamp 2
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 321001117 Assist Handle 1
9.2 321001118 Handle Clasp 1
9.3 321001119 Ball Joint 1
9.4 321001120 Ball Socket 1
10 321001121 *HDU%R[ 1
10.1 321001122 Bolt 2
10.2 321001112 Bolt 1
11 321001123 Debris Guard Bracket 1
12 321001124 Cover Plate 1
13 321001125 Debris Guard 1
14 321001126 Rapid Reload™ Head Assembly 1
14.1 321001129 Rapid Reload™ Spool Spring 1
15 321001127 Charger 1
16 321001128 Shoulder Strap Clasp (Available Separately) 1

8
PARTS AND FEATURES
NPTGCP2617A EXPLODED VIEW

9
PARTS AND FEATURES
NPTGCP2617A PARTS LIST
Key
Number Application Description Quantity
1 321001101 Cleva 26cc 2-Cycle Engine 1
2 321001102 Throttle-body & Starter Set 1
2.1 321001103 Throttle-body Set 1
2.2 321001104 Starter Set 1
2.2.1 321001105 Electric Switch 1
2.2.2 321001106 Starter Switch Assembly 1
2.2.3 321001107 Stop Switch Set 1
2.2.4 321001108 PCB Assembly 1
3 321001109 Handle Spacer 2
4 321001110 Cable Clamp 2
5 321001111 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 321001117 Assist Handle 1
9.2 321001118 Handle Clasp 1
9.3 321001119 Ball Joint 1
9.4 321001120 Ball Socket 1
10 321002102 Shaft Connection Sleeve 1
11 321002103 Aluminum Lower Trimmer Shaft 1
12 321002104 Cover Plate 1
13 321002105 Debris Guard 1
13.1 321002106 Bolt 1
14 321002107 Bump Feed Trimmer HeadAssembly 1
14.1 321002108 Bump Feed Spool Spring 1
15 321001127 Charger 1
16 321001128 Shoulder Strap Clasp (Available Separately) 1

10
PARTS AND FEATURES
EXPLODED VIEW 26CC 2-CYCLE ENGINE