Tuthill M-D Pneumatics PD Plus User manual

M-D Pneumatics™
Rotary Positive Displacement Blower
PD Plus
Models
3202 3210 4012 5514
3204 4006 5507 5516
3206 4009 5511 5518
Lip-Labyrinth (Air Service)
Single Envelope Gastight
Double Envelope Gastight
OPERATOR’S MANUAL
Tuthill Vacuum & Blower Systems tuthillvacuumblower.com 800.825.6937
WARNING: Do Not Operate Before Reading Manual
Operator’s Manual: Tuthill PD Plus Rotary Positive Displacement Blower
Copyright © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.
Manual 2006 Rev B p/n 2006

Disclaimer Statement:
All information, illustrations and specications in this manual are based on the latest information available at
the time of publishing. The illustrations used in this manual are intended as representative reference views only.
Products are under a continuous improvement policy. Thus, information, illustrations and/or specications to
explain and or exemplify a product, service or maintenance improvement may be changed at any time without
notice.
Rights Reserved Statement:
No part of this publication may be reproduced or used in any form by any means - graphic, electronic or me-
chanical, including photocopying, recording, taping or information storage and retrieval systems - without the
written permission of Tuthill Vacuum & Blower Systems.
Copyright © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.
The employees of Tuthill Vacuum & Blower Systems thank you for your purchase!
Tuthill Vacuum & Blower Systems proudly manufactures
Kinney®vacuum pumps and M-D PneumaticsTM blowers and
vacuum boosters in Springeld, Missouri, USA. We bring
100+ years of engineering experience and solid, hands-
on care to help customers keep their processes running.
Your satisfaction is important to us so please take time to
provide your Tuthill sales representative with performance
feedback. We love to hear from our customers!
Tuthill is a family owned business that was started by James
B. Tuthill in 1892. At that time, Tuthill manufactured com-
mon brick to Chicago construction companies who were
fueling the city’s rapid expansion. Fast forward to today
and Tuthill now serves sustaining, global markets like agri-
culture, chemical, construction, energy, food and beverage,
pharmaceuticals and medical, transportation, and utilities.
While the company has changed in what it manufactures,
one thing remains throughout every Tuthill line of business
– we are a company with HEART. Our slogan is “Pump Your
Heart Into It” and everyday our employees do just that as
they represent the Tuthill brand and dare to make better.
Thank you for making Tuthill Vacuum & Blower Systems
part of your company’s process! FIND OUT MORE AT
TUTHILL.COM
A company with heart
right from the start.

i
Manual 2006 Rev B p/n 2006
Table of Contents
Introduction .................................................................................. 1
Applicable Documentation ................................................................... 1
Scope of Manual................................................................................... 1
Conventions and Data Plate ....................................................... 2
Graphic Conventions in this Manual ..................................................... 2
Data Plate.............................................................................................. 3
Lifting ............................................................................................ 5
Description ................................................................................... 6
Flow by Direction................................................................................... 7
Specifications........................................................................................ 8
Installation ...................................................................................11
General ............................................................................................... 11
Location.................................................................................... 13
Blower Air Intake ...................................................................... 13
Soft Foot ................................................................................... 14
Safety .................................................................................................. 14
Lubrication .......................................................................................... 15
Filling Procedure ...................................................................... 16
Frequently Asked Questions Regarding Lubrication ............... 17

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Table of Contents
Manual 2006 Rev B p/n 2006
Hazards Associated With Breakdown or Ignition of
Lubrication ............................................................................... 17
Piping Connections............................................................................. 17
Hazards Associated With Hazardous Process Fluids.............. 18
Blockage or Restriction ............................................................ 18
Cooling Coils (Optional)...................................................................... 18
Cooling Water Connections and Specifications — Cooling Coils (Op-
tional) .................................................................................................. 19
Motor Drives........................................................................................ 19
Direct Coupled ......................................................................... 19
V-Belts ...................................................................................... 20
Setting V-Belt Tension............................................................... 20
Motor and Electrical Connections ............................................ 22
Operation .................................................................................... 23
General ............................................................................................... 23
Start-Up Checklist............................................................................... 24
Operating ............................................................................................ 25
Methane Gas Applications.................................................................. 25
Water-Injected Blowers ....................................................................... 26
Operation ................................................................................. 26
Shutdown ................................................................................. 26
Recommended Shutdown Procedure to Minimize Risk of
Freezing or Corrosion ......................................................................... 27
Maintenance ............................................................................... 28
General ............................................................................................... 28
Regular Maintenance.......................................................................... 28
Spare Parts ......................................................................................... 29
Factory Service and Repair ................................................................ 29

iii
Table of Contents
Manual 2006 Rev B p/n 2006
Long-Term Storage ............................................................................. 30
Disassembly and Reassembly.................................................. 31
Disassembly of Blower ....................................................................... 31
Assembly of Blower ............................................................................ 32
Preparation of End Plates for Assembly .................................. 33
Gear End Assembly ................................................................. 33
Free End Assembly .................................................................. 35
Adjusting Rotor Interlobe Clearance........................................ 35
Special Instructions – Double Envelope ............................................. 36
Drive Shaft Assembly ............................................................... 36
Troubleshooting......................................................................... 37
Assembly Clearances................................................................ 39
Torque Chart............................................................................... 40
Recommended Lubricants........................................................ 41
Recommended Lubricants for Rotary Blowers and Vacuum
Boosters.............................................................................................. 41
Special Tool Drawings............................................................... 43
Parts List ............................................................................................. 45
Assembly Drawings ............................................................................ 54
Declaration of Incorporation..................................................... 73
Warranty – Blower Products..................................................... 74
Operating Data Form / Product Registration........................... 75

iv
Table of Contents
Manual 2006 Rev B p/n 2006

1
Manual 2006 Rev B p/n 2006
CONGRATULATIONS on the purchase of a new
PD PLUS Rotary Positive Displacement Blower
from Tuthill Vacuum & Blower Systems. Please
examine the blower for shipping damage, and if
any damage is found, report it immediately to the
carrier. If the blower is to be installed at a later
date, make sure it is stored in a clean, dry location
and rotated regularly. Make sure covers are kept
on all openings. If the blower is stored outdoors, be
sure to protect it from weather and corrosion.
PD PLUS blowers are built to exacting standards
and, if properly installed and maintained, will
provide many years of reliable service. Read
and follow every step of these instructions when
installing and maintaining the blower.
OTE:N Record the blower model and serial
numbers of the machine in the
OPERATING DATA form on the inside
back cover of this manual. Use this
identication on any replacement part
orders, or if service or application
assistance is required.
APPLICABLE DOCUMENTATION
The applicable documents associated with this
manual are:
• 2006/42/CE – Machinery Directive
• EN 1012-1:1996 - Compressors and vacuum
pumps - Safety Requirements - Part 1:
Compressors
SCOPE OF MANUAL
The scope of this manual and the Declaration of
Incorporation includes the bare shaft rotary positive
displacement blower.
INTRODUCTION
01

2
Manual 2006 Rev B p/n 2006
GRAPHIC CONVENTIONS IN THIS
MANUAL
This manual is the result of a risk assessment
according to the applicable documents referenced
in Applicable Documentation on page 1. The
following are hazard levels are referenced within
this manual:
DANGER
!
Indicates a hazardous situation that, if not
avoided, will result in death or serious injury.
WARNING
!
Indicates a hazardous situation that, if not
avoided, could result in death or serious
injury.
CAUTION
!
Indicates a hazardous situation that, if not
avoided, could result in minor or moderate
injury.
Indicates a situation that can cause damage
to the engine, personal property, and/or
the environment or cause the equipment to
operate improperly.
OTE:N Indicates a procedure, practice, or
condition that should be followed in
order for the equipment to function in the
manner intended.
CAUTION
!
Read manual before operation
or bodily harm may result.
Attention should be given to the
safety related sections of this
manual.
CONVENTIONS AND DATA PLATE
02

3
02
Conventions and Data Plate
Manual 2006 Rev B p/n 2006
DATA PLATE
WARNINGWARNING CAUTION CAUTION
http://www.tuthill.com
Hearing protection
re
q
uired.
Do not touch hot
surfaces.
ASUehtniedaM7396-528)008(
READ INSTRUCTION MANUAL BEFORE OPERATION OR BODILY HARM MAY RESULT
Keep body & clothing away
from machine openings.
Do not operate without
g
uards in
p
lace.
REBMUNLAIRESREBMUNLEDOM
Tuthill Vacuum & Blower Systems
4840 West Kearney Street
Springfield, Missouri USA 65803
YEARMAWP
MAX RPM
Figure 2-1 – General Operation and Symbols on Data Plate
The following information is contained on the data
plate:
WARNING
!
Keep body & clothing away
from machine.
During operation, keep body
and clothing away from inlet
and outlet of the blower.
WARNING
!
Do not operate without guards
in place.
CAUTION
!
Hearing protection is required
while the blower is in operation.
Noise levels may reach as high
as 81 dBA.
CAUTION
!
Do not touch hot surfaces.
The upper limit of the blower
operation is 400°F (205°C). Do
not touch the blower while it is
in operation and assure blower
is cool when not in operation.

4
02
Conventions and Data Plate
Manual 2006 Rev B p/n 2006
MODEL NUMBER: The specic model of the blower
SERIAL NUMBER: Unique to each blower
YEAR: Year of manufacture
MAWP: Maximum Allowable Working Pressure
The standard MAWP is per Table 4-2 – Maximum Operating Limits on page
9. The MAWP shall not be exceeded.