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Airglas, Inc.

 Manual # LH4000-106 

17 | 

P a g e

 

MANUAL REVISION B  

 

 

 

 

 

 

December 3, 2012 

THIS MANUAL INCLUDES INFORMATION PROPRIETARY TO 

Airglas, Inc.

 AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR 

ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF

 

Airglas, Inc.

 

 

PLACARDS 

 

The following information must be displayed in the form of composite or individual placards in 
addition to those specified in the aircraft basic handbook. 
 

 

 
 

 

 

 

 

Place Airspeed Restriction Placard on instrument 

 

 

panel immediately adjacent to Airspeed Indicator 

 

 

and 

in full view of pilot

 

 

 

AVOID SLIPS WITH FLAPS EXTENDED WHEN  

AIRGLAS LH4000 SKIS ARE INSTALLED

 

 

Place placard on instrument panel 

in full view of pilot.

 

 

 

DO NOT EXTEND OR RETRACT SKIS AT SPEEDS ABOVE 125 
KNOTS 
 

DO NOT EXTEND OR RETRACT SKIS WHILE IN MOTION ON 
THE GROUND

 

 

Place placard on instrument panel 

in full view of pilot.

 

 

IN FLOATPLANE, AMPHIBIAN AND SKIPLANES EQUIPED WITH 
AIRGLAS LH4000 RETRACT FLAPS TO 20° IMMEDIATELY AFTER 

APPLYING POWER FOR BALKED LANDING GO-AROUND  

 

 

Place placard on instrument panel 

in full view of pilot.

 

 

 

DO NOT LAND ON SNOW WITH TIRES DOWN WHEN AIRGLAS LH4000 
SKIS ARE INSTALLED  

 

 

Place placard on instrument panel 

in full view of pilot.

 

 

 

 

 
 

 
 

3.0 SKI REMOVAL  

DO  NOT EXCEED 

150 KIAS

  

WITH AIRGLAS LH4000 SKIS INSTALLED

 

Summary of Contents for LH4000 Main Ski

Page 1: ...NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Airglas Inc Instructions for Continued Airworthiness Including Maintenance and Service...

Page 2: ...REVISION B December 3 2012 THIS MANUAL INCLUDES INFORMATION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF A...

Page 3: ...Distribution of Changes A new copy of the revised manual or affected pages will be maintained on the Airglas Inc website REV LEVEL REV DATE Affected Pages BY EXPLANATION OF REVISION Initial Release 25...

Page 4: ...OUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Airworthiness Limitations The Airworthiness Limitations section is FAA approved and specifies maintenance required under Sections 43 16 and 91 403 of th...

Page 5: ...ART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Table of Contents Page 1 0 Introduction and Description 6 15 2 0 Placards and Markings 16 3 0 Removal 17 4 0 Re installation 17 18 5...

Page 6: ...e takeoff performance compared to wheel penetration skis The simplicity of this design allows for a low maintenance high performance ski kit Description The LH4000 ski kit consists of essentially 4 sy...

Page 7: ...HIS MANUAL INCLUDES INFORMATION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc 1 1 SKI RIGGING BR...

Page 8: ...ACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Left Forward Rigging Bracket Installation LW3600 180A 10 Opposite See Drawing LW3600 180A 9 LH3600 17 INST...

Page 9: ...S AND ATTACH FITTINGS CONTINUED DRILL 10 AND INSTALL CR3213 6 4 BLIND RIVET LH3600 17 AN3 5A BOLT LH3600 17 1 DOUBLER STA 65 33 BULKHEAD REF MS21044N3 NUT NAS1149F0363P WASHER A A A A LEFT HAND SHOWN...

Page 10: ...c AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Rear Rigging Bracket Installation LH3600 17 LH3600 18 Opposite Photo 2 1 1...

Page 11: ...L INCLUDES INFORMATION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Front Safety Cable Bracket...

Page 12: ...SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Figure 5 Inboard Stub Axle Installation Figure 6 Note It is suggested that the ai...

Page 13: ...L INCLUDES INFORMATION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Electric Pump Mounting Phot...

Page 14: ...ION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Hydraulic Schematic Figure 7 NOTE The optional...

Page 15: ...MANUAL INCLUDES INFORMATION PROPRIETARY TO Airglas Inc AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc Additional Clamp Insta...

Page 16: ...UE 12 V or Black 24V SKIS GREEN 12V or Orange 24 V WHEELS a Switch sends power to blue or black wire during Ski selection This will pressurize the UP port of the pump b Switch sends power to the green...

Page 17: ...full view of pilot AVOID SLIPS WITH FLAPS EXTENDED WHEN AIRGLAS LH4000 SKIS ARE INSTALLED Place placard on instrument panel in full view of pilot DO NOT EXTEND OR RETRACT SKIS AT SPEEDS ABOVE 125 KNOT...

Page 18: ...ski Secure the AN960 1216 washers to the yoke in the order of their removal 7 Remove the LH3600 10 yoke restraining cable form the LH3600 7 stub axle by removing the AN3 bolt Retain the bolt for futur...

Page 19: ...re the skis will cycle Confirm the indicator lights work correctly 16 Confirm the aircraft weight and balance and equipment list reflect the ski installation 17 Confirm the Skiplane Model 180 185 Appr...

Page 20: ...he rod ends will need light oiling with LPS 2 or equivalent low viscosity oil every 25 hours The yoke is made out 4130 Chromalloy steel and is heat treated after welding no field repairs are allowed T...

Page 21: ...DO NOT Rely on standard wheel chocks with skis installed MAINTENANCE OPERATIONAL CHECKS 10 14 Check 10 hours of operation or 14 day inspection 1 CHECK Bungees cables clevis pins cotter pins nuts bolt...

Page 22: ...brasion and damage to components Replace all damaged components Replace leaking seals 5 INSPECT The Electric Hydraulic pump for secure mounting wiring condition reservoir contaminants or sediment and...

Page 23: ...c AND SHALL NOT BE USED TO MANUFACTURE OR REPRODUCE ANY PART OR ASSEMBLY WITHOUT THE PRIOR WRITTEN PERMISSION OF Airglas Inc 8 0 SKI SPECIFICATIONS Ski Specifications are as follows Length 84 Width 24...

Page 24: ...ite ports on the pump and or reverse the pump power polarity Problem Skis do not cycle smoothly or have pulsing or incomplete actuation Correction Hydraulic Fluid MIL H 5606 level is too low Problem H...

Page 25: ...AMS Descriptive Data List No LH3600 1 Installation Manual LH4000 105 Rev C December 3 2012 Instructions for Continued Airworthiness LH4000 106 Rev B December 3 2012 Ski Installation and Assembly side...

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