Echo CS-420ES

SERVICE INFORMATION
CS-370ES
CS-420ES
6
Key Part Number Description Reference
1 990511-30017 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 carburetor
10 897826-16131 Pressure rubber plug Testing crankcase and cylinder sealings
11 897831-16131 Pressure rubber plug Testing crankcase and cylinder sealings
12 897726-09130 Oil seal tool Installing oil seals
13 897603-23030 PTO shaft puller Removing auto-oiler cap
14 897800-79931 Spark tester Checking ignition system
15 897803-30133 Pressure tester Testing carburettor and crankcase leakage
16 91019 Limiter cap tool Removing and installing limiter cap
17 500-500 Welch plug tool Removing and installing welch plug tool
18 990610-00051 Loctite #515 Applying crankcase seam
19 91004 Module air gap gauge Adjusting pole shoe air gaps
1.35
0.4
1.65
1.5
a
20
40
60
80
120
140
160
180
20
100
Ignition Air Gap Gauge
#.014 = .35mm
P/N 91004
91019
1-6 Special tools
1
45
2
6
9
10 11 1312
15 17
3
8
a = 3 mm
a = 4 mm
7
19
16
18
14