Doosan D1146T - Page 133

1) D1146
(1) Injection pump : 65.11101-7269A
- Model : KP-PES6AD95B410RS2 (101061-8820 ZEXEL)
- Governor : KP-EP/RSV200-1350AQ49C311(105419-3930)
- Plunger & barrel : 131153-1720
- Delivery valve : 131110-5120
- Feed pump : KP-FP/KE-ADS(105210-5280)
- Prestroke : 4.6
± 0.05mm
(2) Nozzle holder assembly : 65.10101-7050 (9134-153C LUCAS)
(3) Nozzle : 65.10102-6026 (9135-143 LUCAS)
(4) Injection pipe : 65.10301-6048
(5) Injection order: : 1 - 5 - 3 - 6 - 2 - 4
(6) Injection timing : BTDC 18
˚
- 129 -
(A) Test condition
Nozzle & Holder Ass’y 105780-8140
Opening pressure :175kg/cm
2
for injection pump
Injection pipe(ID ,OD ,L) - 2.0 x 6.0 – 600 mm
Test oil ISO4113 Temperature : 40 ± 5 ˚C
Nozzle & holder Ass’y
65.10101-6026 Nozzle (5 x 0.29)
(B) Engine standard parts
65.10101-7050 214 kg/cm
2
Injection pipe (ID, OD, L) 65.10301-6048 2 x 6 – 650 mm
Rack diagram and setting valve at each point
Rack Pump
Injection Q`ty on RIG
Standby power Check
position speed
(mm
3
/ 1,000st)
Press.
point
(mm) (rpm)
(A) Test condition (B) Engine
(mmHg)
for inj. Pump standard parts
A - 900 - 93.5 ± 2-
B - 875 - (103) -
C - 100 - (135) -
D
≠
7.7
370 -
± 2-
--- - - -
Boost pressure : zero boost
Governor weight 740 g Lever ratio(min/max) 1 : 2
Governor spring k = 10.0 kgf/mm Plunger 9.5 Left hand 20+45lead
Idle spring k = 1.9 kgf/mm
Delivery
retraction pressure 70mm
3
/st , t=0.11
Start spring k = 0.01 kgf/mm
valve
opening pressure 23.1kgf/cm
2
Feed pump 105210-5280 spring k=1.63kgf/mm