Orbit PP Series Installation And Operating Instructions Manual page 17

Agricultural progressing cavity pumps
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ORBIT PP AGRICULTURAL INSTALLATION AND OPERATIONS MANUAL
12.
Insert flexshaft (33) into the hole in the rotor at opposite end to rotor adaptor nut (30) and
tighten counter-clockwise (left-hand thread).
13.
Insert opposite end of flexshaft (33) through mainshaft (21).
14.
Insert flexible shaft sealing ring (31), into main shaft (21) open end.
15.
Place main shaft adaptor nut - O-ring seal (32) on adaptor nut (29).
16.
Tighten adaptor nut (29) counter clockwise (left-hand thread) into mainshaft (21).
17.
Place suitable spanners on flats of main shaft adaptor nut (29) and rotor adaptor nut (30), and
tighten.
18.
Wet both the stator (05) and rotor (04) with a water-soap mixture and push stator onto rotor with a
twisting motion.
N.B. ENSURE THAT GASKETS (40), SEAL O-RINGS (03/42) AND SEALING RINGS (41/41A) ARE
CORRECTLY LOCATED.
19.
Refit end cover (01) and tie rods (39). Tie rods must be tightened sequentially to ensure an even
clamp between the stator and adjacent castings. Tighten rods according to sequence below
repeating the cycle 3 times until the correct torque rating is achieved. See torque chart below.
7
1
3
5
15
4
6
8
2

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