137
d)
Place drive end of pump shaft squarely into bearing. (Threaded end for impel-
ler/inducer nut facing away from bearing.)
e)
Press pump shaft into bearing until seated against shaft collar.
NOTES
If the preferred method or a press is NOT available, use a 6 inch long piece of 2-in
DOM steel tube (Use ONLY 0.188 wall tube.) and a dead-blow hammer to assemble
the bearing and shaft. Grease the shaft and bearing inner bore to aide in assembly.
Clean parts thoroughly after assembly; do NOT allow grease to enter the gearbox.
Do NOT strike the shaft or the outer race of the bearing with a hammer to assemble
the parts.
Install a new pump side bearing snap ring.
2.
(NOTE: Refer to paragraph 5.7.5 for proper ring orientation.)
a)
Using snap ring pliers, insert tips of pliers into holes in a new snap ring.
b)
Fully expand snap ring.
c)
Push snap ring into gearbox until aligned with snap ring groove.
d)
Release and remove snap ring pliers.
e)
Verify snap ring is seated in groove.
NOTES
The 3.74:1 GR configuration does NOT use a pump side spacer.
The notch in the spacer faces the pump gear.
For all except 3.74:1 GR pumps, install pump side pump gear spacer.
3.
Install pump gear key.
4.
a)
Partially fill pump shaft keyway with gear oil.
b)
Install key in pump shaft keyway (gear oil holds key in place).
For ONLY 3.74, 2.91, 2.60, and 2.33:1 gear ratio pumps, install pump
5.
gear. Push gear on to pump shaft until seated against spacer.
NOTE
The pump gear (ONLY 3.74, 2.91, 2.60, and 2.33:1 gear ratios) will pass thru the
gearbox bore when the pump shaft assembly is installed. All other ratio pump gears
will NOT pass thru the bore of the gearbox housing and must be installed from the
top of the gearbox with the cover removed.
For ONLY 3.74, 2.91, 2.60, and 2.33:1 gear ratio pumps, install drive
6.
side pump gear spacer.
B.
Install pump shaft assembly.
Install drive side bearing retaining ring.
1.
a)
Using snap ring pliers, insert tips of pliers into holes in a new retaining ring.
(NOTE: Refer to paragraph 5.7.5 for proper ring orientation.)
b)
Fully compress ring.
c)
Push retaining ring into gearbox until aligned with snap ring groove.
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...