Injection Pump - Robin DY23-2D Service Manual

Unit
:
mrn (in)
ITEM
INJECTION PUMP
From injection pump flange surface
t o
cam base
e
Static injection timing
NOZZLE
0 Injection starting pressure
Nozzle dia./ Number of nozzle
ENGINE COMPRESSION
(at
400
r.
P.
m. by hand)
DY23
DY27
I
VALVE SEAT ANGLE (IN. EX.)
.Valve cutter angle (a)
.Valve contact width (b)
a
DY23/DY27
STD
I
Limit
65.95-66.05
(2.5965-2.6004)
21 -23
ETDC
Adjustable
195
kg
/
cmz
(2773 I b j in2)
0.22 (0.009) /4PCS.
18 k g / c m 2
(256.0 Ib/ in2)
13 kg/ cmz
( 1 84.9 I b /
in2)
17- 17.5 k g /
cmz
(241.6-248.9 Ib/ in2)
b
:
1.6
mrn
(0.0630 in)
1 2 k g /
cmz
( 1 70.7 Ib/ in2)
b
:
2.2 mm
(0.0866
in)
I
TABLE OF TIGHTENING TORQUE
Description
Tightening Torque
Bolts for joining main bearing cover 170-1 90 kg- cm (1 2.3-1 3.7 f t Ib)
DY23
200-230 k g -
cm (14.5-1 6.6 f t
0
Ib)
Oil drain plug
600-650 kg- cm (43.4-47.0
ft
Ib)
Flywheel nut
180-200 kg-cm (13.0-14.5 f t
=
Ib) Bolts for joining connecting rod cap
330-350 k g - c m (23.9-25.3 f t
Ib)
DY 27
300-330 kg- cm (21.7-23.9 f t Ib)
Nuts for joining injection nozzle
50-60 kg- cm (3.6-4.3 f t
*
Ib)
Nuts for joining cylinder head
-
63
-