Tuthill T850 Manuale utente
M-D Pneumatics™
Rotary Positive Displacement Truck Blower
T850 / T1050 - Standard Weight
OPERATOR’S MANUAL
Manual 2020 0217 ENG
Tuthill Vacuum & Blower Systems tuthillvacuumblower.com 800.825.6937
WARNING: Do Not Operate Before Reading Manual
Operator’s Manual: Tuthill T850/T1050 - Standard Weight Rotary Positive Displacement Truck Blower
Copyright © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specifications subject to change.
Disclaimer Statement:
All information, illustrations and specifications 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 specifications
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 © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specifications subject to change.
Operator’s Manual 2020 0217 ENG i
Table of Contents
Introduction .................................................................................. 1
Safety ............................................................................................ 2
Graphic Conventions in this Manual ..................................................... 2
Safety Instructions................................................................................. 3
Safety Precautions ..................................................................... 3
Installation .................................................................................... 5
Safety Checklist .................................................................................... 5
Specifications........................................................................................ 6
Outline Drawings................................................................................... 7
PTO Selection for Transmission............................................................. 8
Engine Speed ....................................................................................... 8
Pressure Relief Valve ............................................................................ 8
Air Filter ................................................................................................. 8
Suction and Discharge Piping .............................................................. 8
Mounting Bracket .................................................................................. 8
Check Valve .......................................................................................... 8
Mufflers and Discharge Filtration .......................................................... 8
Vacuum Valve........................................................................................ 9
Performance Curves ........................................................................... 10
Operator’s Manual 2020 0217 ENG
ii
Table of Contents
Lubrication .......................................................................................... 11
Filling Procedure ...................................................................... 11
Operation .................................................................................... 13
Maintenance ............................................................................... 14
Regular Maintenance.......................................................................... 14
Disassembly and Reassembly.................................................. 15
Disassembly........................................................................................ 15
Assembly ............................................................................................ 16
Gear End Assembly ................................................................. 16
Drive End Assembly ................................................................. 17
Checking Interlobe Clearance ................................................. 18
Assembly Clearances................................................................ 20
Special Tool Drawings............................................................... 21
Assembly Drawing and Parts List ............................................ 23
Assembly Drawing .............................................................................. 23
Parts List ............................................................................................. 24
Blower Installation Components ......................................................... 25
Operator’s Manual 2020 0217 ENG 1
CONGRATULATIONS on the purchase of a new
Tuthill Truck Blower. 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.
Tuthill Truck 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
identification on any replacement part
orders, or if service or application
assistance is required.
INTRODUCTION
01
Operator’s Manual 2020 0217 ENG
2
GRAPHIC CONVENTIONS IN THIS
MANUAL
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.
SAFETY
02
Operator’s Manual 2020 0217 ENG 3
02
Safety
WARNING
Hearing
Protection
Required
WARNING
Keep body and
clothing away from
machine openings.
CAUTION
Do not
touch hot
surfaces.
WARNING
Keep body
and clothing away
from drive shaft.
SAFETY INSTRUCTIONS
1. Do not operate before reading the enclosed
instruction manual.
2. Use adequate protection, warning and safety
equipment necessary to protect against
hazards involved in installation and operation
of this equipment.
The above safety instruction tags were
attached to your unit prior to shipment. Do not
remove, paint over or obscure in any manner.
Failure to heed these warnings could result in
serious bodily injury to the personnel operating
and maintaining this equipment.
WARNING
!
• Keep hands and clothing away from
rotating machinery, inlet and discharge
openings.
• Blower and drive mounting bolts must be
secured.
• Drive belts and coupling guards must be
in place.
• Noise level may require ear protection.
• Blower heat can cause burns if touched.
Safety Precautions
For equipment covered specifically or indirectly
in this operator’s manual, it is important that all
personnel observe safety precautions to minimize
the chances of injury. Among many considerations,
the following should particularly be noted:
• Rotating shafts can be dangerous. You can
snag clothes, skin, hair, hands, etc. This can
cause serious injury or death.
• Do not work under the vehicle while the engine
is running.
• Do not work on a shaft (with or without a guard)
while the engine is running.
• Do not engage or disengage driven equipment
by hand from under the vehicle while the engine
is running.
• In order to avoid becoming entangled, install the
power take off and/or shaft behind the frame rail,
tanks, battery box, etc.
• If power take off and/or shaft are still exposed
after installation, install a guard.
• Install a support strap when servicing a drive
shaft to prevent personal injury.
A SERIOUS OR FATAL INJURY CAN OCCUR:
• If you lack proper training
• If you fail to follow proper procedures
• If you do not use proper tools and safety
equipment
Operator’s Manual 2020 0217 ENG
4
02
Safety
• If you assemble drive line components
improperly
• If you use incompatible drive line components
• If you use worn out or damaged drive line
components
• If you use drive line components in a
non-approved application
This manual contains safety instructions. Read,
understand and follow this manual.
• Get proper training
• Learn and follow safe operating procedures
• Use proper tools and safety equipment
• Use proper components in good condition
Operator’s Manual 2020 0217 ENG 5
SAFETY CHECKLIST
Complete this checklist before operating the
blower.
TRUCK NUMBER BLOWER MODEL NUMBER
GEARBOX NUMBER BLOWER SERIAL NUMBER
P.T.O. NUMBER DATE INSTALLED
P.T.O. RATIO INSPECTED BY
Is Tuthill mounting kit used?
Is ratio and horsepower correct for PTO?
Mount PTO as per manufacturer’s
recommendations and refill transmission.
Ensure oil levels are at the center of the sight
glass when blower is not running.
Without drive line connected, can the blower be
rotated by hand?
Is the drive line installed at the correct angle and
phase with all fasteners secured?
Ensure PTO rotates blower in the correct
direction indicated by arrow.
Ensure air inlet filter is connected and located
away from truck exhaust.
Remove Camlock dust cap, and discharge
piping open to atmosphere.
With tractor engine at idle, slowly engage PTO.
Check for correct rotation.
Slowly bring blower up to operating speed.
Check for vibration, mechanical noise, oil leaks
and mounting integrity.
Stop blower, connect blower discharge hose to
trailer, and run blower at operating pressure of
trailer for 15 minutes at normal speed.
Does relief valve allow 15 psig (1 bar g)
pressure?
Does engine maintain correct RPM throughout
test?
Shut down machine. Check Shur-Melt®plugs,
relief valve, filter, piping, and oil sumps for
integrity.
Is correct engine speed label visible in cab?
INSTALLATION
03
Operator’s Manual 2020 0217 ENG
6
03
Installation
WARNING
!
The blower and accessories will
become hot enough to cause
serious skin burns on contact.
Rotating machinery is
dangerous.
Always wear ear protection
when near an operating blower.
SPECIFICATIONS
MODEL AIR FLOW RANGE MAXIMUM
PRESSURE
MAXIMUM
VACUUM RPM RANGE
T850 225 – 565 CFM
(527 – 1,700 m³/h)
20 psig
(1.37 bar g)
17 inch-Hg
(575 Mbar) 1,000 – 3,000
T1050 450 – 1,200 CFM
(764 – 2,039 m³/h)
18 psig
(1.24 bar g)
17 inch-Hg
(575 Mbar) 1,450 – 3,000
OTE:NReduce the maximum operating pressure by 1 psi (0.068 bar) for each 2,000 feet (610 m) of
elevation above sea level.
Example: At an altitude of 4,000 feet (1,219 m), the maximum working pressure of the blower will
decrease by 2 psi (0.137 bar).
Table 3-1 – Specifications
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