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Mounting dimension specifications
Dim. Description inches mm
A1 Drive height 0.668 16.97
A2 + tolerance on drive height 0.008 0.20
A3 – tolerance on drive height 0.008 0.20
A4 Drive width at mounting holes 2.750 69.85
A5 + and – tolerance on drive width at mounting holes 0.009 0.23
A6 Maximum drive length (not including I/O pins) 3.955 100.45
A7 Front-to-back connector location 0.403 10.2
A8 Allowable range, front-to-back connector location 0.039 1.00
A9 Top-to-bottom connector location, pin center line 0.157 3.99
A10 Side-to-side connector location, pin center line 0.399 10.14
A10.1 + and – tolerance, side-to-side connector location 0.015 0.38
A11 Top-to-bottom pin spacing 0.079 2.00
A12 Side-to-side pin spacing 0.079 2.00
A13 Pin side-to-side dimension 0.020 0.50
A14 + and – tolerance on pin side-to-side dimension 0.002 0.05
A15 Allowable range, side-to-side connector location 0.030 0.75
Pin 1
Pin 20 removed
for keying
A35
A34
A1
+A2 –A3
A11
A12
A10
A9
A17
± A18
A13
± A14
Detail
A36
Pin 44
A15
M
M
A16
zx
A19
M
M
A20
zx
X
Z
Z
X
A10.1
±
Figure 4. Drive mounting dimensions—end view
(for dimension specifications, see table below).
continued on following page
Marathon 2250 and Marathon 1680 Product Manual 21