Tronair 53 1 Series Operation & Service Manual

Tronair 53 1 Series Operation & Service Manual

Hydraulic power units
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OPERATION & SERVICE MANUAL
53X1 Series
5311, 5321, 5331, 5341, 53110BL7-AD
Hydraulic Power Units
07/2023 − Rev. 04
For Spare Parts, Operations & Service Manuals or Service Needs
Scan the QR code or visit Tronair.com/aftermarket
Tronair, Inc.
Phone: (419) 866-6301 | 800-426-6301
1 Air Cargo Pkwy East
Web: www.tronair.com
Swanton, OH 43558
Email: sales@tronair.com

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Summary of Contents for Tronair 53 1 Series

  • Page 1 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Units 07/2023 − Rev. 04 For Spare Parts, Operations & Service Manuals or Service Needs Scan the QR code or visit Tronair.com/aftermarket Tronair, Inc. Phone: (419) 866-6301 | 800-426-6301 1 Air Cargo Pkwy East Web: www.tronair.com...
  • Page 2 REVISION DATE TEXT AFFECTED 05/2019 Original release 07/2019 Added 5311OBL7-AD 02/2023 Major revision 07/2023 Modified 9.14.8 Hand Pump (Option M)
  • Page 3: Table Of Contents

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit TABLE OF CONTENTS PAGE PRODUCT INFORMATION .............................. 1 DESCRIPTION..............................1 MODEL & SERIAL NUMBER ..........................1 MANUFACTURER .............................. 1 FUNCTION................................1 REQUIREMENTS ............................... 1 SAFETY INFORMATION ..............................1 USAGE AND SAFETY INFORMATION ......................1 EXPLANATION OF WARNING &...
  • Page 4 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.13 RETURN BACK-PRESSURE (Option V) ......................19 PACKAGING AND STORAGE ............................19 PACKAGING REQUIREMENTS ........................19 HANDLING ............................... 19 PACKAGING PROTECTION ..........................19 LABELING OF PACKAGING ..........................19 STORAGE COMPATIBILITY ..........................19 STORAGE ENVIRONMENT ..........................
  • Page 5 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.15.8 Back-Pressure Valve with Sight Glass (Option T) Label ................... 68 10.0 PROVISION OF SPARES ............................... 69 10.2 RECOMMENDED SPARE PARTS LISTS ......................69 10.2.1 Spare Electrical Parts ............................69 10.2.2 Spare Parts ...............................
  • Page 6: Product Information

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit This product can not be modified without the written approval of Tronair, Inc. Any modifications done without written approval voids all warranties and releases Tronair, Inc., it suppliers, distributors, employees, or financial institutions from any liability from consequences that may occur.
  • Page 7: Component Safety Features

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit COMPONENT SAFETY FEATURES • • Pump/Motor coupling guard Control circuit fuses • • Sheet metal panels Motor overload protection • Pressure and return system relief valves FUNCTIONAL SAFETY FEATURES • • Emergency shut off switch Calibration port shut off valve •...
  • Page 8: Training

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit TRAINING TRAINING REQUIREMENTS The employer of the operator is responsible for providing a training program sufficient for the safe operation of the HPU. TRAINING PROGRAM The employer provided operator training program should cover safety procedures concerning use of the HPU in and around the intended aircraft at the intended aircraft servicing location.
  • Page 9: Physical

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.2.2 Physical Weight (Dry) ...... 1,450 lbs (568 kg) Width ......... 51 in (129.5 cm) Height ........ 48.75 in (124 cm) Depth ......... 55 in (140 cm) Power Cord ....... 50 ft (15.24 m) long Pressure Hoses ....
  • Page 10: Filters

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.2.5 Filters Pressure ........2 micron rating, non-bypass high collapse microglass type. Non-cleanable element Return ........5 micron rating, 15 psi (1.03 bar) bypass microglass type. Non-cleanable element Hand Pump (Option M) .... 2 micron rating, non-bypass microglass type. Non-cleanable element Air/Desiccant ......
  • Page 11: Location & Layout Of Controls

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit LOCATION & LAYOUT OF CONTROLS 5.3.1 Front Panel Controls Electrical Control Panel See Section 5.3.2 Hydraulic Control Panel See Section 5.3.3 Bypass Valve For loading and unloading the motor driven hydraulic pump Flowmeter Displays the flow from the motor driven hydraulic pump Pump Control Access...
  • Page 12: Electrical Control Panel

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.2 Electrical Control Panel Emergency Stop Removes power to all electrical devices, must turn to reset Stop Switch Turns off the electric motors driving the hydraulic pump and cooling fan Start Switch Turns on the electric motors driving the hydraulic pump and cooling fan Light is illuminated when the electric motors driving the hydraulic pump and cooling fan HPU Power "On"...
  • Page 13: Hydraulic Control Panel

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.3 Hydraulic Control Panel System Pressure Gauge Displays the system pressure on an analog fluid dampened gauge Displays the fluid temperature in the return system on an analog gauge. A warning Pyrometer (Option K) indicator preset to 170...
  • Page 14: Rear Panel Controls

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.4 Rear Panel Controls The source of pressurized fluid from the HPU that flows to the aircraft pressure system * Fluid Pressure System through the pressure hose * Fluid Return System Fluid returning to the HPU from the aircraft that flows through the return hoses Pressure Fluid Filter Filters the pressurized fluid before it flows to the aircraft pressure system...
  • Page 15: Hydraulic Pump Controls

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.5 Hydraulic Pump Controls The hydraulic pump flow control and pressure control are located on the front panel. Flow Control This control is used to set the maximum flow required from the HPU Pressure Control The pressure control is used to set the system pressure of the HPU during operation 07/2023 | Rev.
  • Page 16: Hand Pump Controls (Option M)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.6 Hand Pump Controls (Option M) Reference 5.9 Hand Pump Operation Located inside the front access door is the hand pump handle used for opening and Pump Handle closing the hand pump relief screw and stroking the hand pump arm Accessed through the front panel opening, this screw allows opening and closing of Hand Pump Relief Screw the hand pump hydraulic circuit using the hand pump handle...
  • Page 17: Split System Controls (Option C)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.7 Split System Controls (Option C) Reference 5.7 Split System Operation Pressure Manifold Houses the pressure valves Used to turn on and off the flow to separate aircraft systems. Always use in either fully Fluid Pressure Ball Valve open or fully closed position;...
  • Page 18: Split System Crossover Check Controls (Option D)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.8 Split System Crossover Check Controls (Option D) Reference 5.8 Split System Crossover Check Operation Pressure Gauge Displays the pressure in each aircraft system Hose Assembly Connects HPU to aircraft pressure system Ball Valve Turns on and off the fluid for taking contamination samples Crossover Check Manifold...
  • Page 19: Return Back-Pressure (Option V)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.3.9 Return Back-Pressure (Option V) Reference 5.13 Return Back-Pressure The return system ball valve has been added for normal operation when combined with a Split System Option (Options C or D). The ball valve is not used when the back- Return System Ball Valve pressure feature is being utilized and must remain open while the machine is running...
  • Page 20: Start Up Procedures

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit START UP PROCEDURES 5.4.1 Procedure for First Time or Different Electrical Supply ONLY Phase Monitor (Options G − J Only): Check that the phase monitor light on the instrument panel is not illuminated. If the light is illuminated, change any two of the three input leads at the plug.
  • Page 21: Pressure Control Adjustment

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.5.2 Pressure Control Adjustment Open bypass valve Select "Hydraulic Power Unit" position with reservoir selector valve Start HPU Close bypass valve Adjust pressure control for desired pressure; observing the system pressure gauge, read in psi (bar). Be sure the control shaft lock nut is loose during adjustment.
  • Page 22: To Easily Purge The Unit Of Air

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.6.1 To Easily Purge the Unit of Air Fill reservoir to recommended level Open bypass valve Place reservoir selector valve in “Hydraulic Power Unit” position Start unit and adjust flow control to maximum position NOTE: If fluid is not flowing, shut off HPU and reference 8.2 No Flow in Trouble Shooting section Run unit for five (5) minutes and shut off If additional bleeding is required, connect the pressure and return hoses together and open all pressure and...
  • Page 23: Hand Pump Operation (Option M)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit HAND PUMP OPERATION (Option M) The Hand Pump Option allows for filling the reservoir (low pressure) or static testing of components or system (high pressure). The hand pump circuit is separate from the main hydraulic system; a separate filter and hose are attached to the back panel of the HPU.
  • Page 24: Return Back-Pressure (Option V)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 5.13 RETURN BACK-PRESSURE (Option V) The Return Back-Pressure manifold consists of a back-pressure valve, a return bypass valve, pressure gauges, and a return ball valve; all mounted in an aluminum manifold block at the rear of the HPU. The Instrument Panel contains an additional pressure gauge and a sight gauge for viewing fluid returned from the reservoir connection (third hose).
  • Page 25: Transportation

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit TRANSPORTATION Do not stack Hydraulic Power Units The unit can be lifted by means of a fork truck from the motor side center of the HPU NOTE: Be sure the forks are long enough to reach frame cross members for stability during lifting.
  • Page 26: Reduced Flow

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit REDUCED FLOW Possible Cause Solution Flow control set too low Increase flow setting. Pressure adjustment is set too low Slightly increase pressure setting. When system pressure exceeds the compensator control setting, or when the Pressure compensator control is system no longer requires flow, the control de-strokes the pump while reducing pump output...
  • Page 27: Maintenance

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit MAINTENANCE GENERAL Periodically inspect the HPU for loose fasteners, hose fittings, damaged hoses, and worn electrical cables. Make repairs as needed for safe operation. Reference Sections 9.2 − 9.14 for Parts Lists, Descriptions and Illustrations NOTE: 53110BL7-AD is the same as 5311 with the exception of sections 9.5.2 Return Filter, 9.15.3 Filter Element Kit Labels, and 10.2.2 Spare Parts ELECTRIC MOTOR...
  • Page 28: Motor Driven Hydraulic Pump

    N-2001-21-S-E N-2001-11-S-V ELBOW, 90 MALE #8 SAE X #8 JIC 9.3.1 Motor Driven Hydraulic Pump Replacement Kits List For replacement parts and seals, contact Tronair with hydraulic pump part number and serial number. 07/2023 | Rev. 04 Page | 23...
  • Page 29: Hydraulic Fluid

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit HYDRAULIC FLUID Any time an unusual color, smell or visual indicator is noticed with the hydraulic fluid, a sample analysis should be performed to determine the condition of the fluid. (See Section 5.11 − Sample Valve Operation) Refer to the manufacturer of the specific fluid for your unit to obtain additional information: Model Number Fluid Type...
  • Page 30: Pressure Filter

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.5.1 Pressure Filter Replace the filter element any time the clogged filter indicator light (Option R) is triggered or when the pop-up indicator located on the filter head changes to red during operation. Replace the filter element annually to ensure proper cleanliness of the hydraulic system.
  • Page 31: Return Filter

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.5.2 Return Filter Replace the return filter element at the same time the pressure filter element is being replaced. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......
  • Page 32: Hand Pump (Option M) Filter

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.5.3 Hand Pump (Option M) Filter Replacement of the hand pump filter element is dictated by frequency of use and the cleanliness of the fluid, along with the environment to which the HPU is exposed. Changing the hand pump filter element at the same time as the pressure filter element will ensure a regular maintenance schedule.
  • Page 33: Desiccant Air Filter

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.5.4 Desiccant Air Filter Replace the desiccant/air filter whenever the material inside the element is pink or reddish in color (see Element Label for details). Parts List All Models - All Fluid Types Item Part Number Description...
  • Page 34: Hydraulic Hoses

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit HYDRAULIC HOSES Hoses used on the HPU must be periodically inspected for damage, blisters, leaks, or hose end problems. Any damaged or defective hose should be replaced as soon as possible. Hoses used on Aviation Phosphate Ester, Type IV units have a shorter useful life than hoses used on Mineral Base units.
  • Page 35: Instrument Panel

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit INSTRUMENT PANEL Refer to Section 9.6 Hydraulic Hoses concerning hose inspection for general maintenance on Item 3 Hose Assembly. Parts List All Models - All Fluid Types Item Part Number Description See Section 9.7.1 ELECTRIC PANEL See Section 9.7.2...
  • Page 36: Electric Panel

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.1 Electric Panel The Electric Panel does not require regular general maintenance. Parts List All Models - All Fluid Types Item Component Part Number Description STANDARD EC-1945-01 LIGHT, DIFFUSED PILOT STANDARD EC-1951-MN5G POWER, MODULE W/LATCH OPTION...
  • Page 37: Hydraulic Panel

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.2 Hydraulic Panel Annual calibration of instrumentation is recommended. See Section 12.0 − Calibration of Instrumentation for details of calibration. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......
  • Page 38: Control Block/Flowmeter

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.3 Control Block/Flowmeter The Control Block components do not require regular general maintenance. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 39: System Pressure Relief Valve

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.3.a System Pressure Relief Valve The System Pressure Relief Valve does not require regular general maintenance. It is possible however, for a contaminant to hold the relief valve in a partially open condition. If service is required, the new or repaired relief valve must be reset to 3,250 psig.
  • Page 40: Check Valve

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.3.b Check Valve The Check Valve does not require regular general maintenance. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 41: Bypass Valve

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.3.c Bypass Valve The Bypass Valve does not require regular general maintenance. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 42: Flow Control

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.4 Flow Control Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......MIL-PRF-87257 5311 & 5321 5331 5341 Item Part Number...
  • Page 43: Pressure Control

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.7.5 Pressure Control Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......MIL-PRF-87257 5311 & 5321 5331 5341 Item Part Number...
  • Page 44: Reservoir Assembly

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit RESERVOIR ASSEMBLY Replace the desiccant air filter whenever the material inside the element is pink or reddish in color (See Element label for details). The Reservoir Assembly does not require regular general maintenance. If periodic inspections for silt are desired, be certain to thoroughly clean the dome cover and surrounding area before removing the dome cover.
  • Page 45 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit RESERVOIR ASSEMBLY (continued) Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......MIL-PRF-87257 5311 & 5321 5331 5341 Item Part Number...
  • Page 46: Return Manifold Assembly

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit RETURN MANIFOLD ASSEMBLY The Return Manifold does not require regular general maintenance. NOTE: DO NOT attempt to adjust the Return System Pressure Relief Valve. See Section 9.9.1 − Return System Pressure Relief Valve for details. 07/2023 | Rev.
  • Page 47 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit RETURN MANIFOLD ASSEMBLY (continued) Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......MIL-PRF-87257 5311 & 5321 5331 5341 Item...
  • Page 48: Return System Pressure Relief Valve

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.9.1 Return System Pressure Relief Valve The Return System Pressure Relief Valve can be purchased as a preset assembly. If the relief valve is serviced by the end user, the valve must be set to crack at 150+/-7 psig before being re-installed on the HPU. Parts List Model Number Fluid Type...
  • Page 49: Pressure Filter Assembly (Single System)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.10 PRESSURE FILTER ASSEMBLY (Single System) Refer to Section 9.5.1 for information on changing filter element. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 50: Electrical Components

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11 ELECTRICAL COMPONENTS Regularly inspect the external power cord for nicks, cuts, abrasion, and fluid damage. Replace power cord if damage is found. See Section 10.0 Provision of Spares for recommended spare fuses. Set Item 08 to Automatic Reset position.
  • Page 51 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11 ELECTRICAL COMPONENTS (continued) Parts List All Models - All Fluid Types Item Part Number Description EC-1957 Block, IEC Ground EC-1532-02 Lug, Ground G-1251-1050R Lockwasher, ¼ Regular EC-1959 Anchor, IEC End EC-1958 Block, IEC Ground EC-1960-01...
  • Page 52: Electrical Components With 100 Ft. Input Cord Option

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11.1 Electrical Components With 100 ft. Input Cord Option Regularly inspect the external power cord for nicks, cuts, abrasion, and fluid damage. Replace power cord if damage is found. See Section 10.0 Provision of Spares for recommended spare fuses. Set Item 09 to "Auto"...
  • Page 53 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11.1 Electrical Components With 100 ft. Input Cord Option (continued) Parts List All Models - All Fluid Types Item Part Number Description G-1159-105516 Screw, RD HD CRS REC, ¼ - 28 x 1 ¾ long G-1250-1050N Flatwasher, ¼...
  • Page 54 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11.1 Electrical Components With 100 ft. Input Cord Option (continued) THE FOLLOWING PARTS ARE APPLICATION SPECIFIC Be sure to locate the correct voltage and hertz of the unit before selecting the part 60 HZ Applications ITEM Description...
  • Page 55 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.11.1 Electrical Components With 100 ft. Input Cord Option (continued) THE FOLLOWING PARTS ARE APPLICATION SPECIFIC Be sure to locate the correct voltage and hertz of the unit before selecting the part 50 HZ Applications ITEM Description...
  • Page 56: Heat Exchanger Assembly

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.12 HEAT EXCHANGER ASSEMBLY The Heat Exchanger Assembly does not require regular general maintenance. Voltage Frequency Part Number 208v 60 Hz HC-2136-01 230v 60 Hz HC-2136-01 380v 60 Hz HC-2136-01 460v 60 Hz HC-2136-01 575v...
  • Page 57: External Components

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.13 EXTERNAL COMPONENTS Keep HPU clean. Do not allow labels to become damaged; thusly illegible. Regularly inspect casters and floor locks to ensure safe working condition. Parts List All Models - All Fluid Types Item Part Number Description...
  • Page 58: Additional Features

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14 ADDITIONAL FEATURES 9.14.1 25 ft (7.6 m) Hoses (Option A) Refer to Section 9.6 Hydraulic Hoses concerning hose inspection. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......
  • Page 59: Split System (Option C)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.2 Split System (Option C) Refer to Section 9.6 Hydraulic Hoses concerning hose inspection. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 60: Crossover Check (Option D)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.3 Crossover Check (Option D) Refer to Section 9.6 Hydraulic Hoses concerning hose inspection. Annual calibration of instrumentation is − recommended. See Section 12.0 Calibration of Instrumentation for details of gauge calibration. Parts List Model Number Fluid Type...
  • Page 61: Hour Meter (Options E And F)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.4 Hour Meter (Options E and F) The Hour Meter does not require regular general maintenance. NOTE: Wire Hour Meter per Electrical Schematic INS-2016. Reference Wiring Diagram INS-2144 Parts List All Models - All Fluid Types Part Number Application Description...
  • Page 62: Voltage/Phase Monitor (Options G − J)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit Voltage/Phase Monitor (Options G − J) 9.14.5 The Voltage/Phase Monitor does not require regular general maintenance. The panel indicator light will illuminate if a tripped condition exists. If the Voltage/Phase Monitor is causing the HPU to shut off, verify the Phase Monitor −...
  • Page 63: Pyrometer (Option K)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.6 Pyrometer (Option K) Refer to Section 11.7 − Analog Temperature Gauge when calibration of the pyrometer is desired. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......
  • Page 64: Electric Reservoir Level (Option L)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.7 Electric Reservoir Level (Option L) The Electric Reservoir Level switch does not require regular general maintenance. Panel indicator lights will indicate low or high fluid level. NOTE: Wire per Electrical Schematic INS-2016. Reference Wiring Diagram INS-2144. Reference 9.7.1 Electrical Panel for Panel Light.
  • Page 65: Hand Pump (Option M)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.8 Hand Pump (Option M) Refer to Section 9.6 Hydraulic Hoses concerning hose inspection for general maintenance on Items 5, 10, 12, and 14 hose assemblies. Refer to Section 9.5.3 − Hand Pump (Optional) Filter 07/2023 | Rev.
  • Page 66 Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.8 Hand Pump (Option M) (continued) Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......MIL-PRF-87257 5311 & 5321 5331 5341 Item...
  • Page 67: Towing Trailer (Option N)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.9 Towing Trailer (Option N) Air Pressure: 55 psi Parts List All Models - All Fluid Types Item Part Number Description Z-5775-01 WELDMENT, FRAME BOLT, HH, 3/8 – 16 X 1 LONG G-1100-107010 J-3669-01 BRACKET, FIXED WHEEL...
  • Page 68: Calibration Port (Option Q)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.10 Calibration Port (Option Q) Refer to Section 9.6 Hydraulic Hoses concerning hose inspection. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......Aviation Phosphate Ester, Type IV and V 5341 ......
  • Page 69: Electric Filter Clogging Indicator (Option R)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.11 Electric Filter Clogging Indicator (Option R) The Electric Filter Clogging Indicator does not require regular general maintenance. The panel light will illuminate when the clogging indicator senses a 50 psi differential pressure across the filter element. Installing a new filter element will eliminate the clogged condition.
  • Page 70: Electric Over-Temperature (Option S)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.12 Electric Over-Temperature (Option S) The Electric Over-Temperature switch does not require regular general maintenance. However, automatic shut down due to high fluid temperature is an indication that maintenance or training may be needed elsewhere. NOTE: Wire per Electrical Schematic INS-2016.
  • Page 71: Return Sight Gauge (Option U)

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.14.13 Return Sight Gauge (Option U) Refer to Section 10.6 Hydraulic Hoses concerning hose inspection. Annual calibration of instrumentation is recommended. Parts List Model Number Fluid Type 5311 ......MIL-PRF-5606 5321 ......MIL-PRF-83282 5331 ......
  • Page 72: Replacement Labels Parts Lists

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.15 REPLACEMENT LABELS PARTS LISTS 9.15.1 Base Unit Part Number Description V-1001 "MADE IN USA" V-1033 "TRONAIR" V-1050 ISO ELECTRICAL SHOCK SYMBOL V-1365 "SYSTEM PRESSURE" V-1366 "HPU BY-PASS VALVE" V-1882 CONTROL PANEL LIGHTS V-1884 "FLOWMETER"...
  • Page 73: Filter Element Kit Labels

    Models: 5311, 5321, 5331, 5341, 53110BL7-AD Hydraulic Power Unit 9.15.3 Filter Element Kit Labels Model Part Number Description 5311, 5321, 53110BL7-AD V-1904 "REPLACEMENT FILTER ELEMENT K-3492" 5311, 5321 V-1905 "REPLACEMENT FILTER ELEMENT K-3493" 53110BL7-AD V-2792 "REPLACEMENT FILTER ELEMENT HC-2853 5311, 5321, 53110BL7-AD V-1916 "REPLACEMENT DESICCANT FILTER ELEMENT HC-1763"...
  • Page 74: Provision Of Spares

    Website: www.tronair.com For Spare Parts, Operations & Service Manuals or Service Needs: Scan the QR code or visit Tronair.com/aftermarket 10.2 RECOMMENDED SPARE PARTS LISTS It is recommended that the following spare parts be kept on hand and available for immediate use during maintenance.
  • Page 75: Calibration Of Instrumentation

    CALIBRATION OF INSTRUMENTATION All gauges on the Hydraulic Power Unit can be either returned to Tronair for calibration or certified by the end user if proper calibration equipment is available. Gauges returned to Tronair for calibration will be tested with standards traceable to N.I.S.T.
  • Page 77 APPENDIX I Hydraulic Schematic (INS-2620)
  • Page 79 L E T R E V I S I O N E C N D W N C H K D A T E T H I S D R A W I N G I S T H E P R O P E R T Y O F T R O N A I R , I N C . I T I S F U R N I S H E D T O Y O U R E T U R N F O R C O N F I D E N T I A L I N F O R M A T I O N P U R P O S E S O N L Y A N D I S N O T T O B E D I S C L O S E D...
  • Page 81 APPENDIX II Electrical Schematic (INS-2016)
  • Page 85 APPENDIX III Wiring Diagram (INS-2144)
  • Page 87 L E T R E V I S I O N E C N D W N C H K D A T E T H I S D R A W I N G I S T H E P R O P E R T Y O F T R O N A I R , I N C . I T I S F U R N I S H E D T O Y O U F O R C O N F I D E N T I A L I N F O R M A T I O N P U R P O S E S O N L Y A N D I S N O T T O B E D I S C L O S E D T O A N Y O N E E L S E O R R E P R O D U C E D O R U S E D F O R M A N U F A C T U R I N G P U R P O S E S...
  • Page 89 APPENDIX IV Instrument Certification Notice...
  • Page 91 Re-calibration should be done on a periodic basis as dictated by the end user's quality system or other overriding requirements. Note that Tronair, Inc. does not supply certificates of calibration on flow meters or pyrometers unless requested at the time of placed order. These instruments are considered reference indicators only and are not critical to the test(s) being performed on the aircraft.

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