EngA AF Series

A
AF / DCU MANUAL
IOM-52 21 of 23 Apr 13 R2
Shaft
diameter
NTN KOYO NTN KOYO DODGE
Type
UCSERIES
(setscrew)
UKSERIES
(adaptersleevelocknut)
SC203‐215SERIES
3/4"  
(19mm)
35in‐lb (3.9Nm) 35in‐lb (4.0Nm)
Installthewasherandlock
nut;tightenthenutfullyby
hand.

Applyapunchorscrew
driverintothenotchofthe
nutandtapitwitha
hammer.Stoptappingafter
thenuthasturned60°to
90°.
Donotstriketheseal.

Bendthetabontherimof
thewasher,whichisinline
withthenotchofthenut.

Ifatabdoesnolineupwith
anotch,tightenthenut
further.
DONOTBACKTHENUT
OFF.
66‐80in‐lb
(7.5‐9Nm)
1"
(25mm)
35in‐lb (3.9Nm) 35in‐lb(4.0Nm)
126‐156in‐lb
(14‐ 18Nm)
13/16"
(30mm)
43in‐lb (4.9Nm) 35in‐lb(4.0Nm)
126‐156in‐lb
(14‐ 18Nm)
17/16" 
(37mm)
51in‐lb (5.8Nm) 75in‐lb(8.5Nm)
126‐156in‐lb
(14‐ 18Nm)
111/16"
(43mm)
69in‐lb (7.8Nm) 75in‐lb(8.5Nm)
228‐272in‐lb
(26‐ 31Nm)
115/16"
(49mm)
69in‐lb (7.8Nm)
155in‐lb(17.5
Nm)
228‐272in‐lb
(26‐ 31Nm)
23/16"
(56mm)
87in‐lb (9.8Nm)
155in‐lb(17.5
Nm)
228‐272in‐lb
(26‐ 31Nm)
27/16"
(62mm)
147in‐lb(16.6
Nm)
155in‐lb(17.5
Nm)
228‐272in‐lb
(26‐ 31Nm)
211/16"
(68mm)
173in‐lb(19.6
Nm)
248in‐lb(28.0
Nm)
228‐272in‐lb
(26‐ 31Nm)
215/16"
(75mm)
173in‐lb(19.6
Nm)
248in‐lb(28.0
Nm)
228‐272in‐lb
(26‐ 31Nm)
Refertobearingmanufacturers’literatureforallothertypesofbearings.
MOTORLUBRICATION
Refertomotormanufacturerforlubricationrecommendations.Onmotorshavinggreasedrainplugs,
removetheplugsandoperatethemotorfor15minutesbeforereplacingplugs.DONOTOVERGREASE.

RECOMMENDEDMOTORLUBRICATIONINTERVALS

Service

PerDay
Upto7.5HP
Upto5.6kW
10to40HP
7.5to29.8kW
Over40HP
Over29.8kW
Lessthan12 5Years 3Years 1.5Years
Morethan12 2Years 1Year 9Months

NOTE:Motorsthatruninsevereconditionsshouldbegreasedasspecifiedbythemotormanufacturer.
DAMPERS
If supplied, check semi-annually for cleanliness, integrity and proper operation. Adjust dampers where
required.
CONTROLS
Annuallycleanandrecalibrateallcontrols,checkforproperoperation,andrepairorreplaceanyfaulty
controls.Checkalldamperhardwaresettingseverythreemonths.Replaceblownfuseswithequivalent
sizeandtypefuse.Failuretodosocanresultindamagetotheunit.