4 Oil pump
8.8.3 Concluding work
The following concluding work must be carried out:
• Remove oil residue.
• Visual inspection, check for leaks.
• Run the program in T1 mode and look out for irregularities.
8.9 KR 20 R3100
8.9.1 Oil change in A4
Description
The following sections describe the A4 gear oil change for floor-mounted
robots. For ceiling-mounted robots, the procedure is to be applied analo-
gously, but with the drain and filler holes reversed.
Equipment
The following equipment is required:
Designation Article number
Set of Allen keys
1.5; 2; 2.5; 3; 4; 5; 6; 8; 10 mm
-
Torque wrench
min. 2 Nm to 30 Nm
-
Socket wrench set -
Collection receptacle -
Funnel -
Oil drain tube - M18x1.5 0000-265-680
Material
The following material is required:
Designation Article number Quantity
Optigear Synt. ALR 150 (>>> 12.2 "Aux-
iliary and oper-
ating materials
used"
Page 336)
Initial fill-
ing quan-
tity: 0.32 l
Tightening torques
The tightening torques can be found under: (>>> 12.1 "Tightening
torques" Page 335)
These are valid for screws and nuts where no other specifications are giv-
en.
Screws of strength class 10.9 and higher as well as screws with test cer-
tification may only be tightened once with the rated tightening torque.
When the screws are first slackened they must be replaced with new
ones.
KR IONTEC
MA KR IONTEC V4 | Issued: 11.05.2021 www.kuka.com | 217/344
Maintenance
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