Section 04 ENGINE
Subsection 06 (OIL INJECTION SYSTEM)
04-06-3
OIL PUMP IDENTIFICATION
Different engines use different pumps. See iden-
tification on lever
no. 7
.
* E6, N8 and N9 oil pumps do not supply any oil
at idle. They are called zero oil delivery at idle.
NOTE:
The following procedures can be done
without removing the engine from chassis.
CLEANING
Clean all metal components in a non-ferrous met-
al cleaner.
DISASSEMBLY
NOTE:
Some oil pump components are not avail-
able as single parts.
1,2, Gear Retaining Nut and Oil Pump
Gear
To remove gear retaining nut, first extract the nee-
dle roller with pliers then lock gear in place using
one of the following gear holder.
TYPICAL
ASSEMBLY
2, Oil Pump Gear
At gear assembly, apply a light coat of Molykote
111 (P/N 413 7070 00) on gear teeth.
4, Needle Roller
(fan cooled engine only)
The needle roller must be engaged as deep as
possible in the pump mounting flange.
5,6, Spring Clip and Clamp
Always check for spring clips and clamps tight-
ness.
3, Screw
Torque to 9 N•m (80 lbf•
in
).
Make sure cable barrel is well-seated in oil pump
lever.
Secure barrel with plastic washer and circlip.
Verify cable and oil pump lever operation.
ADJUSTMENT
Prior to adjusting the pump, make sure all carbu-
retor adjustments are completed.
-
CAUTION
Always mount proper pump on engine.
ENGINE TYPE
OIL PUMP
IDENTIFICATION
443
E6
*
494 Skandic WT LC N4
494 Formula/GT/MX
Z/Summit
N8
*
503 Skandic WT/SWT E4
583
N6 or N9
*
670
N9
*
ENGINE TYPE TOOL P/N
443/494/503/583/670 420 2779 05
A00C17A
420 2779 05
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