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ENGINE
CS-2511TES
251Ts, 251TCs
61
8-4 Testing crankcase and cylinder sealings (continued)
7. Open cap cover and remove spark plug.
8. Install pressure connector A131-000160 (K) to
spark plug hole (L). Connect suitable pipe (inner
dia. 4mm) (M) to pressure connector (K).
9. Connect pressure tester 91139 (N) to pipe (M)
10. Apply pressure approx. 50 kPa (0.5 kgf/cm
2
)
(7.3 psi) by pressure tester and leave for 30 sec-
onds.
11. If the reading drops, leakage may occur.
12. Leakage may occur from crankcase seam or
oil seal. Use soapy water to locate leakage.
13. Then, apply negative pressure approx. 30 kPa
(0.3 kgf/cm
2
) (4.4 psi) by pressure tester and leave
for 30 seconds.
14. If the reading drops, leakage may occur from
oil seal. Inspect oil seal for damage or wear.
15. Remove pressure tester (N) and pressure con-
nector (K). Remove muffler (G), pressure rubber
plug (F), pressure plate (A) or pressure rubber plug
(C).
K
L
M
N
K
M
8-5 Removing engine block
1. Remove spark plug, sprocket guard, muffler
cover, cultch parts, oiler cover, worm gear, circular
washer, auto-oiler assembly, air cleaner cover, air
filter, carburetor, starter assembly, ignition coil and
flyweel .
2. Remove collar (A), (B) and two plugs (C).
3. Remove two bolts (D) from intake bellows.
B
A
C
D
Содержание CS-2511TES
Страница 1: ...Ref No 401 40 CS 2511TES ECHO shindaiwa 251Ts 251TCs Serial number 37000001 and after...
Страница 87: ......
Страница 88: ...Published by YAMABIKO Corp Tokyo Japan 1610...