Inspection Of Injectors; Assembly Of Air Rail; Installing Of Injectors And Regulators - TOHATSU MD 70-90C2 Service Manual

3）Inspection of Injectors
1. Check air injectors and fuel injectors for cracks and
damages. Replace if necessary.
2. Check disc springs of air injectors for dirt, correct position
settling and damages Clean, or replace if necessary. (Refer
to "Injector Assembling Diagram" in page 4-23.)

5. Assembly of Air Rail

Impacting the tip of air injector or fuel
injector can cause defective operation of
the injector, possibly damaging the engine.

1) Installing of Injectors and Regulators

Use O ring set tool to attach O rings 2 and 3 to fuel
1.
injector 1.
O Ring Set Tool (ø24):
P/N. 3T5-72863-0
To avoid incorrect installation of the fuel
injectors, check the marking a on each
injector.
For TLDI40/50B, TLDI40/50B2,
TLDI70/90B and 75/90C2 :
Marking of "37003" on the blue plastic area
For 115A and TLDI115A2 :
Marking of "37001" on the pink plastic area
2st OIL
2st
TLDI 75/90C2 2010
CAUTION
CAUTION
a
2
e
3
w
q
9
8
2st
2st OIL
7
0
9
0
2st
2st OIL
r
6
5
4
1
3
2st
2st OIL
4
2
4-21