GENERAL PURPOSE PUMPS 32 AND 432 SERIES - LARGE MAINTENANCE AND REPAIR INSTRUCTIONS INTRODUCTION The illustrations used in this article are for identification purposes   only   and   should   no1   he   used   for   ordering parts.    Secure  a  parts  list  from  the  factor  or  a  Viking representative    Always  give  complete  name    of  part, part   number   and   material   Kith   the   model   and   serial number of the pump when ordering repair parts. UNMOUNTED PUMP AND UNIT MODEL NUMBERS UNMOUNTED PUMP UNITS PACKED MECH. SEAL G32 G432 Units Are Designated  By   The  Un- H32 H432 mounted Pump Model Number Fol HL32 HL432 lowed By A Letter Indicating Drive J32 Style K32 B=Bracket Mounted KK32 D=Direct Drive L32 V=V Belt LQ32 LL32 Q32 M32 N32 This bulletin deals exclusively with series 32 and series 432 General Purpose Pumps Refer to figures 1 thru 12 for general configuration and nomenclature used in this bulletin Maintenance Figure 32 and 432 pumps are designed for long, trouble free  life  under  a  wide  variety  of  application  conditions with a minimum of maintenance, however, the following should be considered 1.  LUBRICATION-Periodic external lubrication should be applied slowly with a hand gun at all lubrication fittings   provided.      A      good   quality   of   general purpose  grease  is  satisfactory  in  the  majority    of cases,  however,  applications    involving  very  high or  low  temperatures  may  require  other  types  of lubricants.    Suggested  frequency  of  lubrication  is once  every  500  hours  of  operation.    Do  not  over grease.    Consult  the  factory  if  you  have  specific lubrication questions. 2.   PACKING   ADJUSTMENT-New      packed   pumps generally require some initial packing adjustment to control  leakage  as  packing  "runs-in".    Make  initial packing   adjustments   carefully   and   do   not   over- tighten  the  packing  gland    After  initial  adjustment occasional    inspection    will    reveal    the    need    for packing  gland  adjustment  and,  or  replacement  of the packing See instructions in disassembly and re- assembly regarding re-packing the pump. 3. END  CLEARANCE  ADJUSTMENT-After long term operation  it  is  sometimes  possible  to  improve  the performance  of  the  pump,    without  major  repair, thru   adjustment   of   end   clearance   of   the   pump Refer to instructions under Step 3 of assembly. FIGURE 1  G SIZE UNMOUNTED PUMP FIGURE 2  H AND HL SIZES UNMOUNTED PUMP FIGURE 3 J,K,KK, AND L SIZES UNMOUNTED PUMP FIGURE 4 LQ, LL, Q, M, AND N SIZES UNMOUNTED PUMP Viking Pump Division, Houdaille Industries, Inc.• Cedar Falls, Iowa 50613 U.S.A.