Danfoss 90 Series Service Manual

Retainer screw torque
Frame size Torque
030 – 100 16 N•m [11.85 lbf•ft]
130 – 250 32.5 N•m [24 lbf•ft]
End cap screw torque
Frame size Torque
030 58 N•m [43 lbf•ft]
042 75 N•m [55 lbf•ft]
055 122 N•m [90 lbf•ft]
075 – 130 298 N•m [220 lbf•ft]
180 – 250 580 N•m [429 lbf•ft]
3. Install the auxiliary drive coupling (J10). The internally splined end of the coupling must engage the
main pump shaft.
4. Install the new charge pump cover assembly (J15) into the endcap. Ensure the cover is aligned
properly with the alignment pin.
5. Install the charge pump cover retainer (H70) and the six internal hex screws (H80). Torque the screws
per the table using a criss-cross pattern.
6. Lubricate and install O-ring (J50) on the endcap pilot.
7. Install the auxiliary mounting pad (J60) on the rear of the endcap.
8. Install four large screws (J80) through the mounting pad and endcap into the housing. Torque per the
table using a criss-cross pattern.
Auxiliary pad
Removal
1. Remove the four end cap screws (J80). Remove and discard special washers (J70).
C
Caution
On earlier production frame size 75 pumps with twin ports, secure the end cap to the pump housing
with a clamp to avoid gasket damage.
2. Remove the auxiliary pad (J60) and discard the O-rings (J50 and J90).
Aux. pad screw wrench size
Frame size Wrench sizes
030 – early 042 8 mm internal hex
late 042 10 mm internal hex
055 19 mm hex
075 – 100 24 mm hex
100 – 130 14 mm internal hex
180 –250 17 mm internal hex
Inspection
1. Inspect the auxiliary pad for damage and replace if any damage is found.
Service Manual
Series 90 Pumps
Minor repair
520L0818 • Rev 0101 • August 2015 51

Danfoss 90 Series Specifications

General

Brand	Danfoss
Model	90 Series
Category	Water Pump
Language	English