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15-600 Page 19
ECCENTRIC AND GEAR ASSEMBLY
-
WARNING
Be sure to remove the oil pump drive
pinion when removing or replacing the
eccentric and gear asembly to avoid
bending the oil pump shaft when the
gear is removed.
Eccentric and shaft are made in one piece.
Eccentric and gear assembly is to be removed from
the frame for the following reasons:
(a)
Assembly is to be reversed after gear is worn.
(b)
Gear is to be replaced.
(c)
One or more eccentric bearings are to be
replaced.
(d)
Eccentric is to be replaced.
Procedure For Removal:
1.
Remove connecting rod caps and support the
rods.
FIGURE 15 – ECCENTRIC GEAR ASSEMBLY SUPPORT
2.
Remove large main bearing plates from frame
and bearing cartridges.
3.
Remove frame clamp studs over main bearings.
4.
Remove frame spacer blocks by removing them
sideways, as they are keyed to frame. Be sure the
25
32
25
32
DRILL THRU
ONE HOLE
29
32
DRILL THRU
ONE HOLE
25
32
DRILL THRU
ONE HOLE
7
8 DRILL THRU
2 HOLES
7
8 DRILL THRU
2 HOLES
1"
2 DRILL THRU
2 HOLES
7
8 DRILL THRU
2 HOLES
1.5
3.0
4.5
1.75
.69 R
2.22
4.44
7.9 R
45
F
1.0
.4
4.2
5.5
WELD
1.0
1" - 8 UNC THREAD
FOR EYEBOLT
DRILL THRU
ONE HOLE
C75427
FOR PZG ONLY
1" - 8 UNC THREAD
FOR EYEBOLT
1.0
WELD
1.0
4.56
6.0
.38
7.0
2.12
.68 R
8.86 R
4.88
2.44
4.0
2.0
45
F
C74625
FOR PZH ONLY
C74911
FOR PZK, PZL & PXL ONLY
45
F
1.0
WELD
1.0
2.0
4.0
8.0
2.28
.88 R
6.40
11.5 R
3.20
5.5
7.0
- 7 UNC THREAD
FOR EYEBOLT
1
1
8
- 7 UNC THREAD
FOR EYEBOLT
1
8
2
4
45
F
8
1
1
WELD
2
3
4
1
2
5
7
8
R
3
8
1
8
5
6
1
2
1"
3
16
2
27
32
R
9
C73507
FOR PZJ ONLY
FIGURE 16 – MAIN BEARING CARTRIDGE LIFITING & LOCATING DEVICES
(Dimensions Shown in Inches – See Figure 17, Page 20 for Metric Equivalents)