32-20 Cross Tubes
A. Inspection
For helicopters with F014-1 (standard) landing gear or F014-4 (pop-out float) landing gear,
replace aft cross tube if tail skid height is less than 38 inches from ground when aircraft is
minimally loaded on level pavement.
For helicopters with F014-5 (extended) landing gear, replace aft cross tube if tail skid height
is less than 30 inches from ground when aircraft is minimally loaded on level pavement.
For hard landing inspection, see Section 5-65.
B. Removal
1. Remove landing gear per Section 32-10.
2. Refer to Figure 32-2. Remove hardware securing one skid tube (left or right) to same
side strut assemblies.
3. Remove hardware securing cross tube (to be replaced) to strut assemblies. Using brass
drift, tap on strut assembly collars to separate struts from cross tube. Do not tap on
jack tabs.
C. Installation
Refer to R66 Illustrated Parts Catalog (IPC) Figure 32-1.
NOTE
When installing A936-3 (ground) wire assembly, verify finish is
removed from surface under wire terminal.
1. Refer to Figure 32-2. Lightly coat mating surfaces of cross tube with zinc-chromate or
epoxy primer using approved materials per Section 20-70. While primer is wet, install
cross tube into strut assemblies and align fastener holes.
2. Install hardware securing cross tube to strut assemblies, standard torque screws per
Section 20-32, and torque stripe per Figure 5-1.
3. Install hardware securing left or right skid tube to strut assemblies, standard torque
bolts per Section 20-32, and torque stripe per Figure 5-1.
4. Install landing gear per Section 32-10.
SEP 2012 R66 Maintenance Manual Chapter 32 Landing Gear Page 32.5
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