Echo CS-420ES - Manual (Page 6)

SERVICE INFORMATION CS-420ES
6
1.35
0.4
1.65
1.5
a
Ignition
Air Gap Gauge
#.014 = .35mm P/N 91004
0
0.4
50
0.8
1.2
1. MPa
0
91019
1-6 Special tools
1 4 5 2
6 9
10 11 13 12
14 15 16
3
8
a = 3 mm
a = 4 mm
7
Key Part Number Description Reference
1 897801-33330 Tachometer PET-1000 Measuring engine speed
2 895612-79920 L-hex wrench (3 mm) Removing and installing hex. socket bolts (M4)
3 895610-79920 L-hex wrench (4 mm) Removing and installing hex. socket bolts (M5)
4 897501-03938 Puller Removing magneto rotor
5 897505-16133 Clutch tool Removing and assembling clutch assembly
6 91037 Compression gauge Measuring cylinder compression
7 897702-30131 Piston pin tool Removing and installing piston pin
8 897701-06030 Bearing wedge Removing and crankshaft ball bearings
9 897563-19830 Metering lever gauge Measuring metering lever height on carburettor
10 897726-09130 Oil seal tool Installing oil seals
11 897800-79931 Spark tester Checking ignition system
12 897803-30133 Pressure tester Testing carburettor and crankcase leakage
13 91019 Limiter cap tool Removing and installing limiter cap
14 500-500 Welch plug tool Removing and installing welch plug tool
15 990610-00051 Loctite #515 Applying crankcase seam
16 91004 Module air gap gauge Adjusting pole shoe air gaps