Service Indicators; Vacuum Gauges; A 02.13 Service Indicators - Hatz Diesel 1D30 S Workshop Manual

A 02.00 Combustion air
A 02.13 Service indicators; vacuum gauges
–
Preparations: –
Dismantling:
– Remove in numerical sequence 1...2.
– Remove in numerical sequence 3...6.
Ensure not to lose flap valve 6!
– Remove in numerical sequence 7...10.
Hose pulled off from banjo hose nipple
during removal.
Hose nipple connection 16 may remain.
1 D 60 - 80 - 81 only:
– Snip cable strap 11.
– Remove in numerical sequence
10/12...15.
Parts may remain as a unit.
Inspection / repair:
– Visual inspection.
– Check maintenance indicator by sucking
and releasing at the end of hose or adap-
ter for indication.
Sucking = indicator „CLOSED"
(green section ring not visible)
Release = indicator „OPEN"
(green section ring visible).
–Check all rubber parts for material
ageing etc.
–Check all parts in question for proper fit.
Maintenance according to instruction book!
2
1D . . / 03.06
Assembly:
– Assemble in reverse sequence 15...10.
1 D 60 - 80 - 81 only!
– Cable strap remains loose.
– Connect hose 10 to hose nipple
connection and assemble parts 9...7.
– Put flap valve 6 onto pin location of
retaining bracket 5.
– Assemble in reverse sequence 5...3.
Ensure flap valve remains in position
during assembly!
– Check function of flap valve in connec-
tion with maintenance indicator as fol-
lows:
– Press indicator cap.
Cap has to remain for a short term in
„CLOSED" position.
Green section ring not visible!
NOTE:
A minimum time of 3 s between
„CLOSED" and „OPEN" has to be
obtained.
– Lift flap valve.
Cap has to come to „OPEN" position.
Green section ring visible!
Ensure the indicator reacts as described.
If not, check seating position in housing
or replace flap valve.
– Assemble in reverse sequence 2...1.
1 D 60 - 80 - 81 only:
– Tighten cable strap.