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Hobart H600 Service Manual

Hobart H600
88 pages
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A Product of Hobart TROY, OHIO 45374
F12536 (Rev. A, December 2005)
This service manual revision includes
information from Service Manual F12536 and
F23356 and Technical Service Bulletins 604,
621, 640, 657, 716B, 731, 734A, 764, 966, 978,
1034, 1137, 1184 and 1219. These documents
are obsolete and should be destroyed.
- NOTICE -
This Manual is prepared for the use of trained Hobart Service
Technicians and should not be used by those not properly qualified.
If you have attended a Hobart Service School for this product, you
may be qualified to perform all the procedures described in this
manual.
This manual is not intended to be all encompassing. If you have not
attended a Hobart Service School for this product, you should read,
in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do not
have the necessary tools, instruments and skills should be
performed by a trained Hobart Service Technician.
Reproduction or other use of this Manual, without the express
written consent of Hobart, is prohibited.
SERVICE MANUAL
MIXER
MODEL H600
H600-T
P660
L800

Other manuals for Hobart H600

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Hobart H600 Specifications

General IconGeneral
Capacity60 quarts
TransmissionGear-driven
ManufacturerHobart
CategoryMixer
TypeFloor Mixer
Voltage208-240V

Summary

Service Manual Overview

General Mixer Information

Introduction to Hobart Mixers

Provides an overview of the Hobart H600, L800, and P660 mixers and their applications.

Electrical Specifications and Motor Ratings

Details electrical specifications and motor ratings for H600, L800, and P660 models.

Mixer Lubrication

Lubrication Chart

Table detailing lubricant types and quantities for various mixer components.

Transmission Servicing

Draining Transmission Oil

Step-by-step instructions for draining the transmission oil from the mixer.

Planetary Assembly Maintenance

Planetary Assembly Removal

Detailed steps for removing the planetary assembly from the mixer.

Bowl Guard System

Technical Notes on Bowl Guard

Information on bowl guard addition and identification of different styles.

Bowl Guard Assembly Procedures

Bowl Guard Assembly Removal

Steps required to remove the bowl guard assembly from the mixer.

Bowl Guard Switch System

Old Style Bowl Guard Switch

Steps for removing the old style bowl guard switch assembly.

Bowl Guard Switch Installation and Adjustment

Installation - Old Style Bowl Guard Switch

Procedures for installing the old style bowl guard switch.

Top Cover Assembly Maintenance

Top Cover Assembly Removal

Steps required to remove the top cover assembly from the mixer.

Planetary Disassembly and Components

Agitator Shaft Disassembly

Steps to disassemble the agitator shaft from the planetary assembly.

Planetary Oil Pump Maintenance

Planetary Oil Pump Disassembly

Steps for disassembling the planetary oil pump assembly.

Internal Gear Procedures

Internal Gear Removal

Steps required to remove the internal gear from the transmission housing.

Transmission Disassembly

Technical Notes on Transmission

Notes regarding changes in clutch shaft, planetary shaft, and attachment hub assemblies.

Transmission Assembly Steps

Planetary Shaft Assembly Installation/Assembly

Instructions for installing the planetary shaft assembly into the transmission.

Worm Gear Shaft Assembly Procedures

Worm Gear Shaft Assembly Disassembly

Steps to disassemble the worm gear shaft assembly.

Worm Gear Shaft Vertical Adjustment

Adjusting the Sleeve Clockwise

Adjusting the sleeve to find the motor shaft bind point.

Clutch Shaft Assembly Changes

Clutch Shaft Assembly Design Changes

Details changes in clutch shaft assembly design, including stepped spacers.

H600/L800 Clutch Shaft Disassembly

Remove Upper Clutch and Gear Assembly

Removing the upper clutch and gear assemblies from the shaft.

P660 Single Speed Clutch Shaft Disassembly

Remove Top Spacer

Steps to remove the top spacer from the clutch shaft.

Planetary Shaft Assembly Procedures

Planetary Shaft Assembly Removal/Disassembly

Steps to remove and disassemble the planetary shaft assembly.

Planetary Shaft Assembly Installation

Planetary Shaft Installation for H600/L800

Installation steps for the planetary shaft assembly on H600/L800 models.

#12 Attachment Hub Assembly

Replacing the Shear Key

Procedure to replace the shear key for the attachment hub.

#12 Attachment Hub Assembly Removal

Disassemble the Transmission for Hub Removal

Disassembling the transmission to access and remove the attachment hub.

Gear Selector Assembly

Gear Selector Assembly Removal

Steps required to remove the gear selector assembly from the mixer.

Gear Selector Assembly Installation

Gear Selector Assembly Installation

Procedures for assembling and installing the gear selector.

Shifter Yokes

Shifter Yokes Removal

Steps required to remove the shifter yokes from the mixer.

Plunger Adjustment

Mixer Motor Maintenance

Oil Leak Resolution

Description and resolution for oil leaks past the front motor bearing.

Motor Removal Procedures

Motor Disassembly Steps

Making Motor Alignment Marks

Making alignment marks on motor components for reassembly.

Servicing Single Phase Motor Starting Components

Checking Motor Capacitors

Methods to check motor capacitors using a meter or substitution.

Motor Reassembly Procedures

Rotor Shaft Alignment Procedure

Procedure for checking and adjusting motor rotor shaft alignment.

Rotor Shaft Alignment Details

Aligning L800 Rotor Shaft Tool Placement

Procedure for placing the alignment tool on L800 shafts.

Motor Replacement: Enclosed to Exposed Iron

Assemble Terminal Board and Brackets

Assembling the terminal board and capacitor brackets for motor replacement.

Brake Unit Maintenance

Brake Adjustment Procedure

Procedure for adjusting the mixer's brake for proper operation.

Adjusting Brake Action

Increasing Braking Action

Steps to increase the mixer's braking action.

Testing Motor Stator Windings

Single Phase Motor Winding Resistance

Three Phase Motor Testing

Three Phase Motor Stator Winding Resistance

Tables of resistance values for testing three-phase motors.

Motor Performance Testing

Testing Motor Capacitors

Procedures for testing motor capacitors for functionality.

Bowl Support and Lift System

Bowl Support Removal Procedures

Steps required to remove the bowl support from the mixer.

Bowl Support Adjustment Procedures

Bowl Lift Nut Assembly Adjustment

Adjusting the bowl lift nut assembly to prevent back-driving.

Bowl to Beater Clearance Adjustment

Adjusting Screw Under Bowl Support

Adjusting the screw located under the bowl support for clearance.

Bowl Height Sensing Adjustment

Checking Bowl Height Sensing

Procedures for checking the bowl height sensing feature.

Manual Bowl Lift System

Manual Bowl Lift Removal

Steps required to remove manual bowl lift components.

Manual Bowl Lift Screw Assembly

Manual Bowl Lift Screw Removal and Disassembly

Steps for removing and disassembling the manual bowl lift screw assembly.

Lift Screw Adjustment Procedures

Lift Screw End Play Adjustment

Adjusting the lift screw end play for proper operation.

Disassembling the PBL Transmission

Disassembling the Hobart PBL Motor

PBL Motor and Gear Case Reassembly

Flexa-Gear Belt Adjustment

Adjusting the Flexa-Gear belt for the power bowl lift.

Power Bowl Lift Screw Assembly Removal

Power Lift Screw Adjustment

Motor Current Test for Power Bowl Lift

Procedures for testing motor current draw for the power bowl lift.

Timer and Switch Plate Information

Electronic Timer Availability and Upgrade

Information on the electronic timer's availability and upgrade kits.

Electronic Timer Operation and Programming

Using Preset Keys P1/P2 for Mixing Time

Using preset keys for timed mixing operations.

Timer Control Board Removal and Replacement

Disassembling the Switch Plate Assembly

Steps required to disassemble the switch plate assembly.

Timer Service Diagnostics Procedures

Entering Service Diagnostics Mode

Steps to enter service diagnostics mode for the timer.

Disabling Timer Service Diagnostics

Disabling Service Diagnostics Mode

Steps to exit service diagnostics mode.

Electronic Timer Upgrade Kit Installation

Electrical Operation Overview

Component Functions Explained

Descriptions of various electrical components like capacitors, contactors, switches.

Mixer Sequence of Operation

Control Panel Layout Diagrams

P660 Control Panel Layout

Wiring Diagrams and Symbols

Symbol Definitions for Wiring Diagrams

Definitions of common electrical symbols used in wiring diagrams.

H600/L800 Single Phase Wiring

H600/L800 Three Phase Wiring

P660 Single Phase Wiring

P660 Three Phase Wiring

H600 with Brake - Early Mixers Schematics

H600 Transformer and Wiring Diagrams

Troubleshooting Introduction

H600 and L800 Power Flow Diagrams

Diagrams illustrating power flow in H600 and L800 transmissions.

P660 Power Flow Diagrams

Mechanical Troubleshooting Guide

Mechanical Troubleshooting Symptoms

Lists common mechanical symptoms and their possible causes.

Electrical Troubleshooting Guide

Electrical Troubleshooting Symptoms

Lists common electrical symptoms and their possible causes.

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