14
Rev10/2018
Operating, Installation, and Maintenance
THD Assembly Instruction
Pump Assembly – THD Closed Coupled
Step 1
FixO‐ring(item115)atcasecover(item011).Use
greasetoholdtheO‐ringinplace.Donotuseany
kind of adhesive, this should cause chemical
damageatrubber/elastomer.
Step 2
Insertthestationarypartofmechanicalseal(item
696) into case cover (item 011) using grease or
anothertype oflubricant. Use a soft facetool to
avoid damages. After the stationary part is in
place,cleanthefacewithanalcoholwipe.
Step 3
Placetherotatingpartofthemechanical
sealontheshaftsleeve(item042),
centringthewashertotheimpellerside.
Step 4
InserttheO‐ring(item115‐2)andshaftsleeve
(item042)onthemotorshaft.
Step 5
Usebolts(item120‐1)tofixthebracket(item
803)tomotor‐flange
WARNING
Power
Make certain the motor is not connected to a power source. Do not install or assemble the
pump on a motor connected to a power source. Severe injury could occur if the motor
!