Unibloc-Pump UNIBLOC-PD 501, Operation & Service Manual

Page: 18 / 36

18 UNIBLOC-PD Operation & Service Manual: PD501-576
5.0 Rotor Clearances
The following tables list the clearances between the rotor housing and the rotors. The rotors are stamped with the rotor class letter
underneath the rotor bolt on the spline ends of the rotor.
CLEARANCES FOR CLASS C STAINLESS STEEL-
ROTORS, x0,01 mm (x0,001in.)
UNIBLOC
MODEL
POSITION
1-6 7 8 & 10 9 &11
501
22-24
(8.7-9.4)
22-24
(8.7-9.4)
18-20
(7.1-7.9)
10-12
(3.9-4.7)
551
26-28
(10.2-11.0)
22-24
(8.7-9.4)
18-20
(7.1-7.9)
10-12
(3.9-4.7)
576
24-26
(9.4-10.2)
22-24
(8.7-9.4)
18-20
(7.1-7.9)
10-12
(3.9-4.7)
CLEARANCES FOR CLASS C D STAINLESS STEEL-
ROTORS, x0,01 mm (x0,001in.)
UNIBLOC
MODEL
POSITION
1-6 7 8 & 10 9 &11
501
26-28
(10.2-11.0)
38-40
(15.0-15.7)
20-22
(7.9-8.7)
10-12
(3.9-4.7)
551
27-33
(10.6-13.0)
36-42
(14.2-16.5)
21-24
(8.3-9.4)
12-15
(4.7-5.9)
576
30-32
(11.8-12.6)
31-33
(12.2-13.0)
20-22
(7.9-8,7)
10-12
(3.9-4.7)
CLEARANCES FOR CLASS E STAINLESS STEEL-
ROTORS, x0,01 mm (x0,001in.)
UNIBLOC
MODEL
POSITION
1-6 7 8 & 10 9 &11
501
32-34
(12.6-13.4)
38-40
(15.0-15.7)
24-26
(9.4-10.2)
13-15
(5.1-5.9)
551
34-40
(13.4-15.8)
36-42
(14.2-16.5)
22-25
(8.7-9.8)
15-18
(5.9-7.1)
576
36-38
(14.2-15.0)
39-41
(15.3-16.1)
24-26
(9.4-10.2)
13-15
(5.1-5.9)
CLEARANCES FOR CLASS F STAINLESS STEEL-
ROTORS, x0,01 mm (x0,001in.)
UNIBLOC
MODEL
POSITION
1-6 7 8 & 10 9 &11
501
40-50
(15.8-19.7)
40-50
(15.8-19.7)
30-35
(11.8-13.8)
13-15
(5.1-5.9)
551
40-50
(15.8-19.7)
40-50
(15.8-19.7)
30-35
(11.8-13.8)
25-30
(9.8-11.8)
576 40-50
(15.8-19.7)
40-50
(15.8-19.7)
30-35
(11.8-13.8)
25-30
(9.8-11.8)