Model Code - Danfoss Series 20 Service Manual And Repair Instructions

Service Manual and
Repair Instructions

Model Code

S M F 2
Series of product
SMF
motor fixed
2 association
type 20
Displacement cm 3 [in 3 ]
033
= 33.3 [2.03]
052 = 51.6 [3.15]
070 = 69.8 [4.26]
089
= 89.0 [5.43]
119 = 118.7 [7.24]
166 = 165.8 [10.12]
227
= 227.3 [13.87]
334 = 333.7 [20.36]
Orientation of rotation
B reversible
Input port
working port SAE-flange
3 = 3000 psi SAE J518 (207 bar)
for displacement 033 - 119 cm 3
6 = 6000 psi SAE J518 (414 bar)
for displacement 166 - 334 cm 3
Shaft end
SAE-spline shaft 16/32
= 21 teeth for displacement 033 - 070
Z
= 23 teeth for displacement 089
= 27 teeth for displacement 119 - 227
= 40 teeth for displacement 334
K*
conic shaft end with toleranced key
* available on request
Order example:
Axial piston fixed displacement motor SMF 2
Displacement V = 333.7 cm 3
g
Input port 6000 psi SAE J518
SAE spline shaft 40 teeth
End cap execution: connection plate
Order mark:
SMF 2/334-B6Z-AM 01000-A1
4
Axial Piston Motors Series 20
B
, Orientation of rotation: reversible
L1003443 • Rev BA • Jun 2014
End cap execution
end cap (not assembled)
no entry = basic making
MS valve block with washing function
MR
additional shorting valve with connection plate
AM 01000 without valve block
typical numbers for possible levels of high pressure
(pressure drop) in port A and/or B
1. characteristic number for setting of pressure port A
2. characteristic number for setting of pressure port B
characteristic number 07
bar 70
p
[psi] [1015] [1520] [2030] [2540] [3050] [3550]
characteristic number 28
bar 280
p
[psi] [4060] [4570] [5080] [5580] [5800] [6090]
* level of high pressure in parenthesis:
after application engineer approval
2 typical number for flushing pressure 12 bar [174 psi]
(different setting of flushing pressure on request)
A 1
Producer mark
A1 producer specifi-
cation according
to construction
(at present = A1)
Units with working mark
3 - letter combination e.g.:
Cxx making all seals in Viton
special copies with or without
mark of copy
035 3 - letter combination eg.
with industrial valve block,
with brake pneumatic valve
and all seals in Viton
10 14 17 21
105 140 175 210
31 35 38 (40)*
315 350 385 (400)
24
245
(42)*
(420)