Echo SRM-420ES (L): SRM-420ES (U) User Manual

SERVICE INFORMATION SRM-420ES
6
1.5
1.65
1.3
0.4
a
0
0.4
50
0.8
1.2
1.
MPa
0
a
b
PET-304
1
7
4
3
2
b
Key Part Number Description Used for:
1 G310-000050
Tachometer PET-304
Measuring engine speed to adjust carburettor
2 X605-000050 Torx L wrench Removing and installing bolt
3 897501-03938 Puller Removing fl ywheel
4 897835-16131 Pressure connector Testing crankcase and cylinder leakages
5 897537-30130 Piston stopper Locking crankshaft rotation
6 897563-19830 Metering lever gauge Measuring metering lever height on carburettor
7 897603-23030 PTO shaft puller Removing PTO shaft
8 897701-02830 Bearing wedge Removing ball bearing remaining on crankshaft
9 897701-06030 Bearing wedge Removing ball bearing on PTO shaft / drive gear
10 897701-14732 Bearing tool
Removing and installing ball bearings on crankcase / clutch drum
11 897702-30131 Piston pin tool Removing and installing piston pin (Use 10mm dia. adapter)
12 897712-04630 2-pin wrench Removing and installing pawl carrier
13 897714-12330 Oil seal tool Installing crankcase oil seal (clutch side)
14 897714-24330 Oil seal tool
Installing crankcase oil seal (starter side) / PTO shaft bearings
15 897726-21430 Oil seal tool Installing crankcase oil seal (clutch side)
16 897718-03930 Bearing tool Installing crankcase oil seal (starter side)
17 897719-02830 Piston holder Making piston steady to remove and install piston / ring
18 363018-00310 Washer Installing crankcase oil seal (starter side)
19 897800-79931 Spark tester Checking ignition system
20 897803-30132 Pressure tester Testing fuel pipes/tank and crankcase leakages
21 897826-16131 Pressure plug Plugging intake port to test crankcase / cylinder sealing
22 897827-16131 Pressure plate Plugging intake port to test crankcase / cylinder sealing
23 897831-16131 Pressure plug Plugging exhaust port to test crankcase / cylinder sealing
24 91037 Compression gauge Measuring cylinder compression
25 Y089-000091 D-shaped tool Adjusting mixture needle
1-6 Special tools
1
7
8:
a
= 80
mm
9:
a
= 70
mm
19
3
10
20
22
12
54
11
17
2: b
= 6
mm
21
6
16
23
14:
a
= 12
mm
b
= 32
mm
15
: a
= 15
mm
b
= 24.5
mm
18
24
13
25

Echo SRM-420ES (L): SRM-420ES (U) Specifications

General

Brand	Echo
Model	SRM-420ES (L): SRM-420ES (U)
Category	Trimmer
Language	English