Page 25.20 Chapter 25 Furnishings APR 2019
25-73 Cargo Hook (continued)
D. Scheduled Inspections (continued)
Every 1000 hours of external load operations or 5 years, whichever occurs first:
1. Overhaul cargo hook per Onboard Systems Component Maintenance Manual
Document No. 122-017-00. Contact Onboard Systems for assistance locating
authorized overhaul facilities.
E. Special Inspections
For troubleshooting of the cargo hook only, refer to Onboard Systems Troubleshooting
Guide Document No. 125-004-00 available for download on their website at www.
onboardsystems.com.
F. Configurations for Flight
1. Configuration for Flight with Cargo Hook Removed
a. Remove cargo hook per Part B.
b. Disconnect G140-6 (installations without load cell) or G140-7 (installations
with load cell) harness assembly at connector on belly. Install FTC-4 caps
(labeled “FC-4”) over open belly receptacle(s); verify cap security. Cut and
discard ty-raps as required and remove harness assembly (leave D676-3
[control] cable assembly looped to A215-149 o-ring).
c. Remove hardware securing D136-3 bumpers and D136-2 support to G137-1
hardpoint installation rod ends and remove bumpers and support.
d. Remove (2) B526-6 (or MS27039C0806) screws (select two fasteners
spaced apart to provide best cable security) securing F794-2 (access) panel
to belly; install (2) MS27039C0816 screws, (2) AN742-4 clamps, and (2)
A130-38 spacers to secure control cable assembly to belly. Verify cable and
hardware security.
e. Revise Weight and Balance Record in R66 Pilot’s Operating Handbook (POH)
Section 6 to incorporate the following data:
Subtract:
Weight Long. Arm Long. Moment Lat. Arm Lat. Moment
3.90 lb 90.84 in. 354.28 in.-lb –4.10 in. –15.99 in.-lb
To Next Page
