Service Manual
Series 45 J Frame Open Circuit Axial Piston Pumps
520L0607
• Rev AI • Sep 2013
24
Minor Repair
Auxiliary pads
You may install auxiliary mounting pads on pumps equipped with through-drive radial ported
endcaps. Follow these steps to either remove, replace, or exchange auxiliary mounting pads.
Removal
1. Remove the screws (J130), retaining the cover plate (J110) or auxiliary pump (not shown). Remove
the shipping cover or auxiliary pump and its seal (J120).
2. Remove the drive coupling (J140) if present.
3. Remove the 4 screws (J100) retaining the pad adapter (J080) to the endcap. Discard the pad
adapter O-ring (J090) if present. Also discard the J095 O-ring.
Auxiliary mounting pads
Installation
4. Lubricate new O-ring (J090) with petroleum jelly. Install the pad adapter to the endcap.
5. Install the 4 screws (J100 ) and torque to 48.5 - 61 N•m [35 - 45 lbf•ft].
6. Install the drive coupling (J140) if present.
7. Install shipping cover or auxiliary pump with seal (J120).
8. Install the screws (J130) and torque to 94 - 115 N•m [67 - 82 lbf•ft]. If you have an auxiliary A pad,
install the screws (J130) and torque to 37 - 50 N•m [27 - 37 lbf•ft].
Caution
Shipping cover is intended
only to retain coupling during
shipment and storage. Do not
operate pump with coupling
and shipping cover installed.
J085
J095
J090
J140
J080
J120
J110
J095
J080
J140
J110
J100
J095
J120
J090
J100
J110
J140
J080
J120
J095
J090
J130
3
/
4
inch
91 - 111 N•m
[67 - 82 lbf•ft]
8 mm
48.5 - 61 N•m
[35 - 45 lbf•ft]
E101 256
J130
9
/
16
inch
38 - 50 N•m
[27 - 37 lbf•ft]
8 mm
48.5 - 61 N•m
[35 - 45 lbf•ft]