Servomech CLA 30, Installation, Operation And Maintenance Manual, Page: 24 / 25

Servomech S.p.A. 16.30-40-50.E - Rev. 01 DD (M/Y) 05/19 24
9 MAINTENANCE

The gearbox is longlife lubricated and will not require any further relubrication.

The linear drive and the push rod guide require periodic relubrication, according to Table 9.1
“Maintenance”, or at the latest after 1 year of time. Please use the lubricant indicated in Table 8.1
or equivalent.

Every 2 months time interval: visual inspections of actuator conditions, cleaning of dirty parts of the
actuator.

In case of lubricant leakage, contact SERVOMECH.
ACTUATOR Lead pitch
[mm]
Lubrication
interval
[km of stroke]
Linear drive – Q.ty of lubricant Push rod guide
Q.ty of lubricant
Q.ty for actuator
stroke 100mm
Q.ty for each additional
100mm of stroke
CLA 30
4 4
3 cm³ 2 cm³ (*)
8 8
CLA 40
5 5
4 cm³ 2 cm³ (*)
10 10
CLA 50
6 6
5 cm³ 3 cm³ 2 cm³
12 12
CLB 30
5 50
2 cm³ 2 cm³ (*)
10 100
CLB 40
6 60
3 cm³ 2 cm³ (*)
10 100
CLB 50
10 100 5 cm³ 3 cm³
2 cm³
20 200 4 cm³ 2 cm³
Table 9.1 – Maintenance
(*) – Push rod guide bush in self-lubricating material (no lubrication required).
9.1 Linear drive lubrication
WARNING! THE PLANT MUST BE STOPPED BEFORE BEGINNING ANY MAINTENANCE OPERATION.

Before to start relubrication, put the actuator in extended position (La – see Fig. 6.4)

Relube the linear actuator using proper grease nipples, as shown on Fig. 9.2.

Grease nipple type: DIN71412 M6
Figure 9.2 – Linear drive relubrication

Apply the grease quantity indicated in Tab 9.1 with several partial quantities.

Travel over the entire stroke between one lubricating operation and the next.
Linear drive grease nipple