
9
6. Assemble inboard cover (4) to case (1) with hex bolts (27).
7. Install assembled power rotor, centering each part as it enters cover (4). NOTE: Sleeve
subassembly (92) drain port is to be aligned with drain port in cover (4).
8. Install retainer (12) on cover (04) using hex bolts (6). Tighten bolts (6) to a torque on assembly
drawing.
9. Install idlers (8) in housing (1) being sure that idler (8) ends with taper face thrust plate (2).
10. Wipe all traces of oil from the mating flanges of cover (2) and flanges of case (1). Install loctite
gasket eliminator #504 on edges of thrust plate (O-ring (5) will be used instead of gasket eliminator
on high inlet 3EJ(N) pumps.) and then install cover (2) on case/housing (1) with hex bolts (3).
Torque bolts to value on assembly drawing.
11. Rotate power rotor to ensure freedom of rotation.
12. Install key (13) and coupling hub on power rotor (7). Install pump on driver and check alignment as
described in Manual Number SRM 00046 (General Installation, Operation, Maintenance, and
Troubleshooting Manual). Prime pump to expel air prior to startup.
I. Troubleshooting
For assistance with troubleshooting see the General Installation, Maintenance and Trouble Shooting
Manual, SRM00046.
J. FIELD AND FACTORY SERVICE AND PARTS
Imo Pump maintains a staff of trained service personnel that can provide pump installation, pump start-
up, maintenance/overhaul and troubleshooting supervision as well as installation and maintenance
training.
Our factories provide maintenance as well as overhaul and a test facility in event user prefers to return
pumps for inspection or overhaul. Factory-overhauled pumps are normally tested and warranted “as-
new” for a period of one year from date of shipment. For either field service or factory overhaul
assistance, contact your local Imo Sales Office or representative at Technical/ Customer Service
Department in Monroe, NC, USA.