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LUBRICATION SYSTEM
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_
1° ed
_ rev.
00
Oil pump
Components:
1
Cover
2
Shaft
3
Key
4
Pin
5
Internal rotor
6
External rotor
Oil pump delivery at 3000 rpm is 5.8 l/min.
Oil pump - Clearance between rotors
Measure clearance as shown in the figure; the max. value is 0.13 mm;
wear limit 0.25 mm.
Oil pressure regulation valve
Components for KD 315 and KD 350:
1
Spring
2
Valve
3
Plug
Free length
A
of the spring is 27.50-27.75 mm.
Components for KD 225:
4
Ball
5
Spring
6
Plug
Free length
A
of the spring is 23.50-24.50 mm.
Components for KD 400-440:
7
Plunger
8
Spring
9
Washer
10
Cup
11
Snap ring
Free length
A
of the spring is 25,50÷25,75 mm.
Note: If
A
is 1 mm less than the given value, replace the valve.
Valve setting is not adjustable.
Internal strainer
The oil pick-up strainer is made of nylon 66. Its degree of filtration is
500 µm.
Dimensions (mm):
A
= M16x1.5
B
= 64
C
= 102
D
= 12