Stac THERMAFLOW SS980H Manuel utilisateur
MODEL SS980
TRANSPORT HYDRAULIC COOLING SYSTEM
Model #:
Serial #:
Installation Date:
Resource Manual
Installation Guide lOperating Procedures lParts Breakdown
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
MODELS
SS980H
SS980HFT
MODEL SS980
INDEX
STEP DESCRIPTION PAGE
Introduction 1
1 Positioning & Mounting 2
2 Installing the PTO & Hyd Pump 2
3 Hydraulic Plumbing 3-5
4 Final Assembly 6
5 Start-Up Procedures 6
System Maintenance 7
Troubleshooting 8
Specifications 9
SS980H Parts Breakdown 10
SS980HFT Parts Breakdown 11
Parts List 12-14
Product Offering 15
Warranty Policy
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
Please read this guide carefully before installing and operating your
THERMAFLOW system.
The THERMAFLOW assembly is designed to cool and filter the oil required to
operate your hydraulic system. The oil is cooled by forcing air across cooling fins on
the heat exchanger. This system utilizes a hydraulic fan motor to force air across the
fins.
The Hydraulic fan motor has an adjustable pressure reducing valve that
automatically cycles the fan “ON” when the hydraulic system is running and “OFF”
when not running. This comes plumbed from the factory.
Because different product pump applications require different speed and power
requirements, your THERMAFLOW system was custom engineered for a particular
application. If the system is operated beyond its designed capacity, overheating and/
or component damage may result.
PAGE 1
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
STEP 1 POSITIONING & MOUNTING
The Model SS980 is designed to mount behind the truck cab across the frame rail sides.
A) Diagram A illustrates the mounting of the SS980 series. Allow a minimum of 4” on both
sides of the unit for proper airflow.
STEP 2 INSTALLING THE PTO & HYDRAULIC PUMP
A) Install the PTO to the transmission and mount the hydraulic pump according to
the instructions included with the PTO.
HELPFUL HINT: If you are using a direct mount hydraulic pump/PTO combination,
be sure that the pump splines are well lubrication with a heavy grease. This grease will
prevent premature spline wear on the PTO and pump shafts. Also available from both
MUNCIE and CHELSEA is a new option for a greaseable shaft. This option allows you
to grease these splines without pulling the pump off the PTO.
DIAGRAM A
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 2
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
FRAME RAILFRAME RAIL
STEP 3 HYDRAULIC PLUMBING
DIAGRAMS B, C, & D show proper plumbing for all SS980 models. Please carefully read the
Helpful Hints and Notes listed below before beginning.
HELPFUL HINT: We recommend the use of minimum 2” suction hose. If the suction
hose is too small the hydraulic pump will cavitate and fail prematurely. A 1” pressure hose
is recommended for flows up to 40 gpm. A 1 1/4” pressure hose is recommended for flows
greater than 40 gpm. The 980 Series has two 2” suction port for high flow and tandem
applications.
NOTE: Be careful not to over tighten NPT threads. It is very easy to crack these
types of ports when tightening fittings.
DIAGRAM B
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 3
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
RETURN LINE
PRESSURE LINE
PRESSURE FOR
HYDRAULIC FAN
INLET LINE
PTO
PRESSURE RELIF VALVE
HYDRAULIC PUMP
DIAGRAM C
STEP 3 HYDRAULIC PLUMBING (Continued)
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 4
STAC INC l ST PAUL MN l800-334-7699
Tandem System
w/Dual Relief
Mobile Hydraulic Systems
®
INLET LINE
PRESSURE LINES
TANDEM
HYDRAULIC PUMP
RETURN 1
RETURN 2
PRESSURE 1
PRESSURE 2
PTO
PRESSURE RELIEF VALVE
PRESSURE FOR
HYDRAULIC FAN
DIAGRAM D
STEP 3 HYDRAULIC PLUMBING (Continued)
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 5
STAC INC l ST PAUL MN l800-334-7699
SYSTEM 1
PRESSURE LINE
SYSTEM 2
PRESSURE LINE
RETURN LINE
INLET LINE 1
INLET LINE 2
PTO
SYSTEM 2 PRESSURE LINE
SYSTEM 1 PRESSURE LINE
TANDEM HYDRAULIC PUMP
SS980HFT Plumbing
Mobile Hydraulic Systems
®
STEP 4 Final Assembly
A) Complete all hydraulic plumbing.
B) Make sure suction lines are supported to prevent tank cracking.
C) Fill the reservoir until the oil level gets to the top blue line on the site level gage.
D) Set relief valve for system requirements.
NOTE: After the initial start up procedure you will need to add oil due to the hydraulic
lines filling up to capacity.
NOTE: Over-filling the reservoir will cause the oil to expand up through the breather
assembly when the oil warms up.
NOTE: We recommend using a high grade of hydraulic oil with a Pour Point of -50 F.
This will ensure proper oil flow during extreme cold weather operation. Use of
synthetic hydraulic oils is also recommended. Recommended Oil: AW32MV or
equivalent.
STEP 5 START-UP PROCEDURES
The following steps are to ensure that the THERMAFLOW assembly is operating properly.
NOTE: Before engaging the PTO, make sure that all hydraulic lines are plumbed and
properly tightened.
1) Slowly engage the PTO with engine at idle speed.
NOTE: Watch the oil level in the reservoir. Be ready to add more oil as needed to
maintain the oil level between the level indication lines on the site level gage.
2) Check for hydraulic leaks and repair as needed.
3) Check for fan operation.
4) Carefully Tach the product pump speed.
5) Slowly increase the engine speed until desired product pump speed is obtained.
6) Run system for at least five minutes to ensure that system is sufficiently cooling the
hydraulic oil. Using a Hydraulic Flow Meter Kit, set required pressure and flow rates to system
requirements.
7) Slow engine to idle and disengage the PTO.
8) System is ready for operation.
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 6
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
System Maintenance
Hydraulic
Fluid:
l Drain and replace hydraulic oil every 6 to 12 months depending on use.
l Recommended Fluid: AW32MV or equivalent.
Filter:
l Remove 4 cap screws on top of filter housing.
l Remove filter cartridge and spring.
l Replace with new filter cartridge and spring Part Number 975331.
l Apply anti-seize to cap screws and tighten.
Pump:
l Inspect periodically for leaks.
l Check hoses for signs of wear.
Motor:
l Inspect periodically for leaks.
l Check hoses for signs of wear.
PTO
l Grease output shaft every 6 to 12 months depending on use.
l If PTO does not have a grease zerk on output shaft, remove direct mount
hydraulic pump and grease the output shaft using a high quality gear lube.
INSTALLATION GUIDE , OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 7
STAC INC l ST PAUL MN l800-334-7699
Mobile Hydraulic Systems
®
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