
14 UNIBLOC-PD Operation & Service Manual: PD600-677
ROTOR BOLT WASHERS
ROTOR BOLTS
(1 or 3 Bolts Per Rotor)
LOCK WASHERS
ROTOR BOLT O-RINGS
ROTOR BOLT WASHER O-RINGS
ROTOR HOUSING
ROTORS
fig. 4.3
QuickStrip
®
ROTORS
SHAFTS
ROTOR HOUSING
fig. 4.2
ROTOR LOCKING NUTS
ROTOR BOLTS
ROTOR BOLT O-RINGS
ROTOR LOCKING NUT O-RINGS
ROTOR HOUSING
ROTORS
fig. 4.4
4.4.1.2 Rotor Removal- QuickStrip
®
Rotors
QuickStrip
®
Rotors
do not require locking mechanisms and can simply be removed from the rotor housing by sliding
them off the shafts. Be sure to place the rotors in a safe place while maintenancing the pump, as they can be easily
damaged. Proceed to the respective shaft seal maintenance section once the rotors have been removed
(see fig.4.2)
.
4.4.1.3 Rotor Removal- Stainless Steel Rotors
If the pump has
Stainless Steel Rotors
, place a nonmetal object (e.g. screwdriver handle) between the rotors to
keep them from turning before removing rotor bolts.
4.4.1.3.1 Three-Bolt Style Shafts
Re
move the six
Rotor Bolts, Rotor Bolt O-rings
,
Rotor Bolt Washers,
and
Rotor Bolt Washer O-rings.
Slide the
Rotors
off the
Shafts
. If the rotors will not slide off they can be removed simultaneously with the
Rotor Housing
.
Unless they are being replaced,
DO NOT USE PLIERS OR CHANNEL LOCKS TO REMOVE THE ROTORS. THEY
WILL BE DAMAGED.
Be sure to place the rotors in a safe place while maintenancing the pump as they can be easi
-
ly damaged
(see fig. 4.3)
.
4.4.1.3.2 Single-Bolt Style Shafts
(602, 652 & 677 models only)
Re
move the two
Rotor Bolts
(requires special tool, P.N. 6007-2, see section 6.3.2)
, Rotor Locking Nuts and
O-rings.
Slide the
Rotors
off the
Shafts
. If the rotors will not slide off they can be removed simultaneously with the
Rotor Housing
. Unless they are being replaced,
DO NOT USE PLIERS OR CHANNEL LOCKS TO REMOVE THE
ROTORS. THEY WILL BE DAMAGED.
Be sure to place the rotors in a safe place while maintenancing the pump as
they can be easily damaged
(see fig. 4.4)
.