95-01-01
Page 36
All
EFFECTIVITY:
C I R R U S
C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S
M O D E L S R 2 0
4 May 2015
Figure 95-01-0110
Rocket Motor
4
STRAP
WRENCH
(REF)
1
5
SR2X_CM95_3306A
NOTE
Do not use nylon screws to secure rocket nozzle bulkhead to workbench.
Using large strap wrench at top of rocket motor case, slightly rotate rocket motor
case clockwise while observing exposed tip of Ortman key. As tip of key retracts
into rocket motor case, continue to rotate rocket motor case until key is
completely retracted.
LEGEND
1. Rocket Motor Case
2. Upper Propellant Grain
3. Lower Propellant Grain
4. Rocket Nozzle Bulkhead
5. Ortman Key
6. Screw
7. O-Ring
6
ROCKET NOZZLE
WORKBENCH INSTALLATION
WORKBENCH
WORKBENCH
Install steel screws securing rocket nozzle bulkhead to workbench.
Torque to 3.0 ±0.5 in-lb (33.9 ±5.6 Ncm).
Orient lower propellant grain so that deep, recessed end of lower propellant grain is
visible from open end of rocket motor case.
RUBBER
TRACTION
MAT
(REF)
To improve strap grip on rocket motor case, position rubber traction mat between
rocket motor case and strap.
WORKBENCH
1
2
3
7
7
4