67-60 Bellcranks
Refer to R66 Illustrated Parts Catalog (IPC) Figure 67-37.
67-61 C317-5 or C317-9 Bellcrank
A. Removal
1. Remove screws securing upper console to side panels; pivot console up and aft.
2. Remove installed avionics located in center console per Chapter 97. Remove
hardware securing face plate and avionics trays to side panels and remove plate
and trays.
CAUTION
Do not change the length of or remove rod ends from C343-11
and -13 push-pull tube assemblies.
3. Remove hardware securing C343-11 and C343-13 push-pull tube assemblies and
F121-9 push-pull tube assembly to C317-5 or C317-9 bellcrank assembly.
4. Remove hardware securing F349-1 support assembly to side panels and remove
support with attached bellcrank.
5. Remove hardware securing bellcrank to support and remove bellcrank (carefully
remove journals from bellcrank bearing).
B. Installation
1. Insert journals inside C317-5 or C317-9 bellcrank assembly’s bearing. Align
washers and bellcrank with F349-1 support assembly flange holes and install
hardware. Standard torque nut and palnut per § 20-32 and torque stripe per Figure
5-1.
2. Position support with attached bellcrank in helicopter and install hardware securing
support to side panels. Verify security.
3. Verify C343-11 push-pull tube's rod end center-to-center dimension is 5.82 ± 0.03
inches and C343-13 push-pull tube’s rod end center-to-center dimension is 5.30
± 0.03 inches. Install hardware securing push-pull tubes to bellcrank. Standard
torque nuts and palnuts per § 20-32 and torque stripe per Figure 5-1.
4. Install hardware securing F121-9 push-pull tube assembly to bellcrank. Standard
torque nut and palnut per § 20-32 and torque stripe per § 20-33.
5. Perform tail rotor flight control rigging per § 18-50.
6. Actuate pedals through full control travel and verify smooth operation without
binding.
7. Pivot upper console forward and down. Position avionics tray and face plate in
helicopter and install hardware securing trays and plate to side panels. Verify
security.
8. Install avionics in center console per Chapter 97. Install screws securing console
to side panels and verify console security.
MAY 2015 Chapter 67 Flight Controls Page 67.15
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