Komatsu PC200-8M0 Shop Manual page 367

101 Testing and adjusting, Part 1
Testing compression pressure
19. After finishing the measurement, remove the
tools. Be sure to restore the machine .
For details, see Disassembly and assembly,
"Removal and installation of cylinder head
assembly".
a Install the injector and fuel high-pressure
tube according to the following procedure:
1) Match injector's projection (a) to holder's
notch (b), and set the injector in the cylin-
der head.
a When setting the injector, face the
above matching point toward the fuel
inlet connector insertion side.
2) Tighten injector holder mounting bolts (13)
by approximately three to four turns.
3) Set fuel inlet connector (10).
a Push the fuel inlet connector until the
O-ring fits in firmly and produces a
click.
4) Lightly tighten retainer (9) of fuel inlet con-
nector (10).
3
Retainer:
a Tighten above retainer (11) to the
specified torque in step 6).
5) Tighten injector holder mounting bolts (13)
alternately.
3
Holder mounting bolt:
8 ± 0.8 Nm {0.8 ± 0.08 kgm}
6) ighten retainer (9) of the fuel inlet connec-
tor.
3
Retainer:
PC200, 200LC, 220, 220LC-8M0
15 ± 5 Nm {1.5 ± 0.5 kgm}
50 ± 5 Nm {5.1 ± 0.5 kgm}
7) Tighten the sleeve nuts of fuel high pres-
sure tube (6) on the head side and then on
the common rail side.
3
Sleeve nut:
35 ± 3.5 Nm {3.6 ± 0.4 kgm}
8) Connect injector harness connectors (12).
a After installing the rocker arm assembly
(8), adjust the valve clearance by referring
to " Adjusting valve clearance ".
3
Rocker arm assembly mounting
bolt:
36 ± 5 Nm {3.67 ± 0.51 kgm}
a Tighten the injector terminal nut (7) with
the following torque
3
Terminal nut:
1.5 ± 0.25 Nm {0.15 ± 0.025 kgm}
a Check that the injector harness (1) does
not interfere with the rocker arm.
a Tighten the head cover with the following
torque.
3
Head cover mounting bolt:
24 ± 4 Nm {2.45 ± 0.41 kgm}
SEN06127-00
15
30-101