GSA 8X/GSM 85(A) Installation Manual
Page 2-5
190-00303-72
Revision R
Table 2-5. Mounting Specifications
Item Recommended
Specification
Allowable
Specification
GSA 8X to GSM 85(A) bolt torque*
25-40 in-lbs
20-50 in-lbs
GSM 85(A) to airframe bolt torque*
25-40 in-lbs
15-40 in-lbs
Cableguard or chainguard base ring screw torque (#4-40 size)**
8-12 in-lbs
8-12 in-lbs
Cableguard or chainguard standoff torque (#4-40 size)**
8-12 in-lbs
8-12 in-lbs
Capstan cover screw torque (#4-40 size)**
8-12 in-lbs
8-12 in-lbs
GSM 85(A) to airframe bolt depth into front face of GSM 85(A)
.25” - .75”
.25” - .75”
Tested limit of weight of parts solidly attached to universal hub
.29 lbs
---
Cable pay-off angle
3° max from
cable groove
3° max from
cable groove
Groove angle of spiral wrap capstan for 1/16” cable relative to
front face of GSM 85(A) (reference)
1.3° ---
Groove angle of spiral wrap capstan for 3/32” cable relative to
front face of GSM 85(A) (reference)
1.6° ---
Grease for GSA 8X gear (see section 3.4 for regreasing
instructions)
Aeroshell 33MS
* It is recommended to follow the practices of AC 43.13 - 1B section 7-40, particularly regarding adding
the friction drag torque to the recommended torque.
** Do not add friction drag torque to torque specification for #4-40 thread size screws and standoffs.
