Northern Lights OLP LP445, Operator'S Manual

Page: 18 / 36

OLP 05/00
5. Install pump mounting flange flush to engine front
plate with drive gear held flush against front side of
engine front plate.
IMPORTANT:
Do not use tightening force of pump
mounting stud nuts to pull pump shaft into drive gear I.D.
6. With the pump shaft index pin properly engaged in the
drive gear key slot, finger tighten mounting stud nuts.
7. Push pump drive gear firmly onto shaft taper. Install
washer and retaining nut
(Figure 18-A)
onto end of
shaft. Tighten retaining nut to 90 lb-ft. (122 N•m) for
DB2, 150 lb-ft. (203 N•m) for DB4.
Figure 18
Reproduced by permission of Deere & Company, c2000. Deere & Company, All rights reserved.
IMPORTANT: Do not overtighten cap screws on pump
cover plate to avoid damage to O-ring.
8. Install access cover plate using a new gasket. Apply
LOCITE 242 (TY9370) to cap screw threads and
tighten to 1.7 lb-ft. (2 N•m).
9. Align timing mark on the pump flange
(Figure 19-B)
with timing mark on the cylinder block front plate (A).
Figure 19
Reproduced by permission of Deere & Company, c2000. Deere & Company, All rights reserved.
10. Tighten the three hex nuts securing the pump to the
front plate to 20 foot lbs. (27 N•m).
11. Connect injection pump pressure lines
(Figure 20-E)
.
Beginning with outlet
(Figure 21-B)
and continue
around the pump head in counterclockwise
direction, attaching lines in same order as engine
firing (1-5-3-6-2-4 on 6-cylinder engines and
1-3-4-2 on 4-cylinder engines).
Figure 20
Reproduced by permission of Deere & Company, c2000. Deere & Company, All rights reserved.
Figure 21
Reproduced by permission of Deere & Company, c2000. Deere & Company, All rights reserved.
12. Tighten fuel delivery (pressure) lines to 20 foot lbs.
(27 N•m), using a suitable 17mm deep-well crows-
foot socket.
IMPORTANT:
Always use a backup wrench when
loosening or tightening fuel delivery lines at fuel
injection pump, so that the pump discharge fittings
are not altered. This prevents possible internal pump
damage.
13. Connect fuel supply line
(Figure 20-C)
and fuel return
line
(Figure 20-D)
.
14. Connect fuel shutoff cable and speed control linkage,
if equipped. Install and securely tighten electrical
connections to shutoff solenoid and throttle position -
ing solenoid, if equipped. Connect cold start switch,
if equipped.
15. Bleed air from fuel system as outlined on page 19.
Start engine and run for several minutes. Check the
entire system for leaks.
16
Servicing