Danfoss Charge pump design change Installation guide
Service Kit Instructions
Series 90
Charge pump design change
To improve efficiency and reliability, the number of parts in Series 90 pumps is
being reduced. The charge pump design on 55cc thru 130cc frame sizes is
being changed so that the outer port plate is an integral part of the charge pump
cover and distance plates are eliminated. The change is taking effect at the
following manufacturing dates:
55cc: 93-10 75cc: 93-10 100cc: 93-15 130cc: 93-34
For auxiliary pad options, the new charge pump cover is rotation dependent.
The cover will be marked as either left hand (L) or right hand (R). The
non-auxiliary pad cover is not rotation dependent.
The charge pump shaft also changes and must be replaced when using the new
style hardware. The complete charge assembly can be interchanged with
corresponding hardware from 89-17 and beyond. However, piece parts are
not interchangeable. For units prior to 89-17, consult Danfoss.
The old design charge pump hardware is obsolete and is no longer available. Refer
to the chart on the reverse side of this page to determine the replacement kit.
© Danfoss, 2013 BLN-10107 • Rev BA • September 2013 1
The following information must be known to determine
the correct charge pump replacement kit:
1. Unit size (055, 075, 100 or 130 cc)
2. Charge pump displacement (11, 14, 17, 20, 26 or 34 cc)
3. Auxilary pad (Yes or No)
4. Rotation (LH or RH)
Obsoleted Charge Pump Parts
8000169
8000170
8100313
8100314
8000174
8000174
80001748000171
337956
337956
3379568100315
CoverShaftGear Set
8800513
8800514
8800514
8800513
8800514
8800514
8800513
8800514
8800514
8800513
8800514
8800514
8800513
8800514
8800514
8800513
8800514
8800514
Unit Size
Chg. pump
displace-
ment
11 cc055
14 cc055
17 cc055
14 cc075
17 cc075
20 cc075
Auxilary
pad
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Rotation
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
Replacement
Kit
8510028
8510029
8510030
8510031
8510032
8510033
8510034
8510035
8510036
8510037
8510038
8510039
8510040
8510041
8510042
8510043
8510044
8510045
8200158
8200159
714444
714451
337956
337956
3379568200160
303636
303636
8800513
8800514
8800514
8800513
8800514
8800514
8800513
8800514
8800514
347518
347526
347526
347518
347526
347526
347518
347526
347526
No
17 cc100
20 cc100
26 cc100
20 cc130
26 cc130
34 cc130303636714469
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
LH or RH
LH
RH
8510046
8510047
8510048
8510049
8510050
8510051
8510052
8510053
8510054
8510064
8510065
8510066
8510067
8510068
8510069
8510070
8510071
8510072
© Danfoss, 2013 BLN-10107 • Rev BA • September 2013 2
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