130
Additionally, perform this procedure after the Removal portion of the procedures listed and in the
listed order.
NOTES
For this procedure, reuse the existing input and pump shafts (if serviceable), the
pump gear (if serviceable), and the gearbox cover (if serviceable).
Do NOT reuse bearings, gaskets, gear oil, mechanical (pump) seal, O-rings, oil seals,
and retaining rings.
Refer to Table 41, Table 44, and Table 47 for a list of tools and/or consumables required for this
procedure.
Table 44.
Drive Gear Bench Procedure Tools And Consumables List
Standard Tools
Special Tools
Consumables
PPE (Eye and Hand Protection) None
Shop Rag(s) (As Required)
PPE (for Handling Oil)
Drive Gear (ONLY ONE REQUIRED – SELECT FROM:)
<See FSG–PL-01481, Sheet 2, Item 8 Table>
Perform the following to inspect the drive gear for wear or damage and to remove and replace
the gear if required.
Drive Gear Removal
A.
Remove gearbox cooling tube IAW paragraph 5.8.7.1.1 (on page 108).
B.
Remove pump shaft IAW paragraph 5.9.2.2 (on page 131).
C.
Remove pump gear IAW paragraph 5.9.2.2.3 (on page 141).
D.
Remove input shaft IAW paragraph 5.9.2.1 (on page 121).
E.
Remove drive gear. (Lift gear out of gearbox.)
Inspections
A.
Thoroughly clean gearbox and all major components, removing all metal
and/or plastic debris.
B.
Visually inspect gears (input and pump) for damage.
Inspect for overheating (discoloring [typically blue], irregular coloring, mi-
1.
cro pitting, temper failure, etc.).
Inspect teeth for damage (rounded, worn, irregular shaped, cracked,
2.
chipped, broken, etc.).
Inspect keyway for burrs, chipping, rounding, wear, etc.
3.
C.
Visually inspect all keys for damage.
D.
Visually inspect shafts (input and pump) for damage.
Inspect for overheating (discoloring [typically blue]).
1.
Inspect keyway for burrs, chipping, rounding, wear, etc.
2.
Summary of Contents for AP
Page 2: ......
Page 28: ......
Page 71: ...59 Figure 19 One Piece Volute AP CBP MBP Figure 20 Three Piece Volute RSD...
Page 73: ...61 Figure 21 AP Pump Exploded View...
Page 74: ...62 Figure 22 CBP Pump Exploded View...
Page 75: ...63 Figure 23 MBP Pump Exploded View...
Page 76: ...64 Figure 24 RSD Pump Exploded View...
Page 77: ...65 Figure 25 Gearbox Exploded View All Except 3 74 1 GR...
Page 78: ...66 Figure 26 Gearbox Exploded View 3 74 1 GR...
Page 158: ...146 THIS PAGE INTENTIONALLY BLANK...
Page 174: ...C 12 THIS PAGE INTENTIONALLY BLANK...
Page 176: ...D 2 DATE HOURS RUN MAINTENANCE PROBLEM PART S USED REASON REPLACED INITIALS...