Tuthill PD Plus User manual

M-D Pneumatics™
Rotary Positive Displacement Blower
PD Plus
Models
7010 7021
7013 7026
7017
Horizontal Air Flow
Vertical Air Flow
Horizontal Flow, Single Envelope Gastight
Vertical Flow, Single Envelope Gastight
Horizontal Flow, Double Envelope Gastight
Vertical Flow, Double Envelope Gastight
OPERATOR’S MANUAL
Manual 2007 Rev B p/n 2007
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 © 2018 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.

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
mechanical, including photocopying, recording, taping or information storage and retrieval systems – without
the written permission of Tuthill Vacuum & Blower Systems.
Copyright © 2018 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.

Manual 2007 Rev B p/n 2007 i
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 .................................................................................. 10
General ............................................................................................... 10
Location.................................................................................... 12
Foundation................................................................................ 12
Blower Air Intake ...................................................................... 12
Soft Foot ................................................................................... 13
Safety .................................................................................................. 13
Lubrication .......................................................................................... 14
Filling Procedure ...................................................................... 15
Frequently Asked Questions Regarding Lubrication ............... 17

Manual 2007 Rev B p/n 2007
ii
Table of Contents
Hazards Associated With Breakdown or Ignition of
Lubrication ............................................................................... 17
Lubrication (Splash) ................................................................. 17
Lubrication (Integral Pressure)................................................. 18
Oil Filter on Integral Lube Blowers........................................... 18
Integral Lube Oil Pressure Adjustment .................................... 18
Piping Connections............................................................................. 18
Hazards Associated With Hazardous Process Fluids.............. 19
Blockage or Restriction ............................................................ 19
Cooling Coils (Optional)...................................................................... 19
Cooling Water Connections and Specifications —
Cooling Coils (Optional)...................................................................... 20
Motor Drives ........................................................................................ 20
Direct Coupled ......................................................................... 20
V-Belts ...................................................................................... 20
Setting V-Belt Tension............................................................... 21
Motor and Electrical Connections ............................................ 22
Operation .................................................................................... 23
General ............................................................................................... 23
Start-Up Checklist............................................................................... 24
Operating ............................................................................................ 25
Stopping.............................................................................................. 25
Methane Gas Applications.................................................................. 25
Water-Injected Blowers ....................................................................... 26
Operation ................................................................................. 26
Shutdown ................................................................................. 26
Recommended Shutdown Procedure to Minimize Risk of
Freezing or Corrosion ......................................................................... 27

Manual 2007 Rev B p/n 2007 iii
Table of Contents
Maintenance ............................................................................... 28
General ............................................................................................... 28
Regular Maintenance.......................................................................... 28
Spare Parts ......................................................................................... 29
Factory Service and Repair ................................................................ 29
Long-Term Storage ............................................................................. 30
Disassembly and Reassembly.................................................. 31
Disassembly of Blower ....................................................................... 31
Assembly of 7000 Blower ................................................................... 33
Preparation of End Plates for Assembly .................................. 33
Mechanical Seal Blowers ......................................................... 33
Gear End Assembly ................................................................. 33
Adjusting Rotor Interlobe Clearance........................................ 35
Drive Shaft Seal 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 Lists ........................................................................................... 45
Assembly Drawings ............................................................................ 54
Declaration of Incorporation..................................................... 61
Warranty – Blower Products ..................................................... 62
Operating Data Form / Product Registration........................... 63

Manual 2007 Rev B p/n 2007
iv
Table of Contents

Manual 2007 Rev B p/n 2007 1
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 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 your blower.
OTE:NRecord the blower model and serial
numbers of the machine in the
OPERATING DATA form on the inside
back cover of this manual. Use this
identifi 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

Manual 2007 Rev B p/n 2007
2
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 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

Manual 2007 Rev B p/n 2007 3
02
Conventions and Data Plate
DATA PLATE
WARNING WARNING CAUTION CAUTION
http://www.tuthill.com
Hearing protection
re
q
uired.
Do not touch hot
surfaces.
AS
Ueht
n
i e
d
aM7396
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5
2
8
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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 1-1 – General Operation and Symbols on Data Plate
The following information is contained on the data
plate:
WARNING
!
Keep body and 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 exceed 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.

Manual 2007 Rev B p/n 2007
4
02
Conventions and Data Plate
MODEL NUMBER: The specific 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 4-3 – Maximum Operating Limits on page
9. The MAWP shall not be exceeded.