Echo shindaiwa CS-501SX Service Manual page 27

CS-501SX, CS-501SXH
501sx
4-4 Inspecting and replacing tank vent (continued)
C
D
A
a
FUEL SYSTEM
A
valve
E
F
NOTE: Inspection using 897803-30133
If Pressure / vacuum tester 91149 is not available,
tank vent can be inspected with Pressure tester
897803-30133 as follows.
1. Connect tank vent (A) to Pressure tester
897803-30133 (B).
B
2. Apply pressure approx. 49 kPa (0.5 kgf/cm
psi), make sure pressure is stable in range of 9.8 -
39.2 kPa (0.1 - 0.4 kgf/cm
3. If it is not in the range, gently clean tank vent
with compressed air or replace with new one.
NOTE: Do not disassemble valve in tank vent as-
sembly as shown. Damage to valve will occur.
4. Remove cap (C) of tank vent, and clean sponge
(D).
5. Cut pipe 363011-00210 (E: 7x11x170mm) and
382011-01110 (F: 9x13x350) in approx. 30mm (1
1/4 in) length, and connect them to pressure tester
as shown. Connect tank vent (A) without cap to
pipe as shown.
6. Plug hole (a) with fi nger and apply pressure 19.6
2
kPa (0.2 kgf/cm
steady.
7. Remove fi nger from hole (a). Tank vent should
pass air freely without holding any pressure. If it
does not, replace tank vent with new one.
2
) (1.4 - 5.7 psi).
) (3 psi). The pressure should hold
25
2
) (7