Fig. 39 Motor maintenance
1
Grease fitting
1. Clean the fittings
1
with a cloth before greasing.
2. Grease both bearings with a grease gun.
10.10.2 Option H12
Sound enclosure fan motor
The motor bearings are greased for life. Re-greasing is not necessary.
➤ The fan must be replaced during the course of regular service calls by an authorized KAESER
service representative.
10.11 Testing the safety relief valve
Free movement of the safety relief valve's tension rod is checked by hand or with a lifting device.
Precondition The machine is switched off.
The machine is fully vented to atmosphere.
Fig. 40 Testing the safety relief valve
1
Opening lever
2
Tension rod
➤ Check for free movement of the tension rod
2
by pulling vertically by the opening lever
1
.
The valve opens as soon as maximum working pressure is exceeded.
➤ Never operate the machine without a correctly functioning safety relief valve!
10 Maintenance
10.11 Testing the safety relief valve
76
Installation and Operating Manual Rotary lobe blower
HBPI pr
Number: 9_9572 28 USE