101801-6970 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1018016970 3126174093

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101801-6970 1018016970

MITSUBISHI 3126174093 3126174093

Cross reference number

ZEXEL 101801-6970 1018016970

MITSUBISHI 3126174093 3126174093

Zexel num

Bosch num

Firm num

Name

101801-6970

3126174093 MITSUBISHI

INJECTION-PUMP ASSEMBLY
8DC8 *

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8140

Bosch type code EF8511/9A

Nozzle 105780-0000

Bosch type code DN12SD12T

Nozzle holder 105780-2080

Bosch type code EF8511/9

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600

Overflow valve 132424-0620

Overflow valve opening pressure kPa 157 123 191

Overflow valve opening pressure kgf/cm2 1.6 1.25 1.95

Tester oil delivery pressure kPa 157 157 157

Tester oil delivery pressure kgf/cm2 1.6 1.6 1.6

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-2-7-3- 4-5-6-8

Pre-stroke mm 4.5 4.45 4.55

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5

Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5

Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5

Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5

Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5

Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5

Injection quantity adjustment

Adjusting point -

Rack position 10.4

Pump speed r/min 800 800 800

Each cylinder's injection qty mm3/st. 119 115.6 122.4

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point C

Rack position 8.4+-0.5

Pump speed r/min 200 200 200

Each cylinder's injection qty mm3/st. 20 17 23

Fixing the rack *

Injection quantity adjustment_03

Adjusting point A

Rack position R(10.4+- 0.5)

Pump speed r/min 800 800 800

Average injection quantity mm3/st. 119 118 120

Basic *

Fixing the lever *

Injection quantity adjustment_04

Adjusting point B

Rack position R(10.4+- 0.5)

Pump speed r/min 1200 1200 1200

Average injection quantity mm3/st. 121.5 119 124

Difference in delivery mm3/st. 9.7 9.7 9.7

Fixing the lever *

Injection quantity adjustment_05

Adjusting point D

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 170 150 190

Fixing the lever *

Remarks
After startup boost setting

Timer adjustment

Pump speed r/min 500+120- 100

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 800

Advance angle deg. 1.5 1 2

Timer adjustment_03

Pump speed r/min 1000

Advance angle deg. 3.2 2.7 3.7

Timer adjustment_04

Pump speed r/min 1250

Advance angle deg. 6.5 6.5 7.5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Beginning of damper spring operation: DL (2)Excess fuel setting for starting: SXL
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DL=8-0.2mm SXL=10.4+0.2mm
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Speed control lever angle

(1)Pump speed = aa (2)Pump speed = bb
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aa=1250r/min bb=750r/min
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a=5.5deg+-5deg b=10deg+-5deg

0000000901

F:Full load I:Idle (1)Stopper bolt setting
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a=5.5deg+-5deg b=27.5deg+-3deg

0000001501 MICRO SWITCH

Adjustment of the micro-switch Adjust the bolt to obtain the following lever position when the micro-switch is ON. (1)Speed N1 (2)Rack position Ra
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N1=325+10r/min Ra=8.4mm
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0000001601 2-STAGE CHANGEOVER DEVICE

RFD governor 2 stage changeover mechanism adjustment outline (A) Bolt (B) bolt (c) Nut (D) Return spring (E) Bolt (F) Bolt (G) Screw (H) Bolt (I) Load lever (J) Speed lever (K) Air cylinder (M Air inlet Figure 1 is only for reference. Lever shape, etc, may vary. 1. Minimum-maximum speed specification adjustment (when running) (a) Without applying air to the air cylinder, loosen bolts (A) and (B). (1)High speed return L setting (a) In the speed range Nf~Nf - 300r/min, adjust using the speed adjusting bolt to determine the temporary beginning of high speed control speed. (b) Determine the rack position in the vicinity of Rf using the full load lever. (c) Increase speed and confirm return distance L. (d) Adjust using the tension lever bolt to obtain L. (2)Setting full load rack position Rf (a) Move the load control lever to the full side. (b) Adjust the full load adjusting bolt so that Rf can be obtained, then fix. (3)Setting the beginning of high speed operation Nf (a) Adjust using bolt (E) so that Nf can be obtained, and then fix. (4)Idle control setting (Re, Ni, Rc) (a) Set the speed at Ns + 200r/min and move the load control lever to the idle side. (b) Fix the lever in the position where Re can be obtained. (c) Next, decrease speed to Ni and screw in the idle spring. (d) Adjust to obtain rack position Ri. (e) Increase the speed and after confirming that the rack position is Re at Ns, set the speed at 0. (f) Confirm protrusion position Rc at idle. (5)Damper spring adjustment (a) Increase speed and set the speed at the rack position Rd - 0.1 mm (b) Set using the damper spring so that the rack position Rd can be obtained. (c) When Rd is not specified, Rd = Ri - 0.5 mm. (6)High speed droop confirmation (a) Return the load control lever to the full load lever position. (b) Increase the speed and confirm that Rf can be obtained at Nf r/min. (c) Confirm that speed is Nh at rack position Rh. 2. Variable speed specification adjustment (at operation) (a) Remove return spring (D). (b) Apply air pressure of 245~294 kPa {2.5~3 kg/cm2} to the air cylinder. (c) Perform the following adjustment in this condition. (1)Setting full load rack position Rf' (a) Pull the load lever to the idle side. (b) Obtain rack position Rf' using the nut (C). (Pump speed is Nf'-50 r/min.) (2)Setting full speed Nf' (a) Adjust using bolt (B) so that Nf can be obtained, and then fix. (3)Low speed side setting (a) At 350r/min, set bolt (F) at beginning of governor operation position, then fix. 3. Bolt (A) adjustment (1)Install return spring (D) and perform the adjustments below at air pressure 0. (a) Set at speed Nf using bolt (E). (b) Screw in bolt (A). (c) Screw in 1 more turn from the speed lever contact position (d) Fix bolt (A). (e) At this time confirm that the air cylinder's shaft moves approximately 1 mm towards the governor. 4. Lever operation confirmation using the air cylinder (1)Apply 588 kPa {6 kg/cm2} air pressure to the air cylinder. (2)Confirm that the cylinder piston is moved 50 mm by the spring (D).
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