5.
P.T.O. shaft. Using a puller, remove pulley from P.T.O.
shaft. Locate and retrieve woodruff key.
Remove cap screw and washer that secure pulley to
4. Secure P.T.O. bearing bracket to frame with four (4)
cap screws and lock washers (Fig. 6).
5.
Secure rear bearing flange to P.T.O. pivot shaft with
6.
Loosen set screws that secure front and rear flange
two (2) carriage screws and lock nuts.
bearing locking collars to P.T.O. shaft. Using the blind
hole in each bearing collar as a striking point, unlock col-
lars from P.T.O. shaft with a punch by rotating the collars
clockwise as viewed while facing forward.
6.
Thoroughly clean tapers of P.T.O. shaft and pulley.
Apply antiseize lubricant to P.T.O. shaft taper. Position
woodruff key into shaft slot. Install pulley onto P.T.O.
shaft.
7.
8.
Support P.T.O. shaft to prevent it from falling.
7.
screw that secures pulley to P.T.O. shaft. Secure pulley
to P.T.O. shaft with cap screw and washer.
Apply Loctite #242 (or equivalent) to threads of cap
Remove two (2) carriage screws and lock nuts that
secure rear bearing flange to the P.T.O. pivot shaft.
9.
secure P.T.O. bearing bracket to frame (Fig. 6).
Remove four (4) cap screws and lock washers that
8. Install P.T.O. drive belt to machine (see Traction Unit
Operator’s Manual). Do not fully tension belt.
IMPORTANT: Make sure not to damage hydraulic
lines or other parts while removing the P.T.O. shaft
from machine.
9. Align P.T.O. pulley to electric clutch pulley (see Align
P.T.O. Pulley to Electric Clutch Pulley in this section).
10.After
pulleys are aligned properly, make sure that
10.Carefully
chine.
lower P.T.O. shaft and remove from ma-
flange bearing locking collars are locked to P.T.O. shaft
and secured with set screws. Torque set screws from 85
to 100 in−lb (9.6 to 11.3 N−m). Also, make sure that
P.T.O. drive belt is properly tensioned (see Traction Unit
Operator’s Manual).
11.
Slide flange bearings, bearing bracket and support
plate from P.T.O. shaft.
12.If
ing bracket and support plate using Figure 5 as a guide.
required, disassemble front flange bearing, bear-
11.
Rear Frame and Axle Assembly Installation in the Ser-
vice and Repairs section of Chapter 7 − Chassis).
Install rear frame and axle assembly to machine (see
Installation (Fig. 5)
12.Install
Shaft Installation in this section).
P.T.O. drive shaft to machine (see P.T.O. Drive
1.
bearing bracket and support plate:
If separated, assemble front front flange bearing,
A. Secure flange bearing to support plate with two
(2)
carriage screws and hex nuts.
B. Lubricate rubber mounts with soapy water and
install mounts into support plate. Make sure that
mounts slide completely into support plate.
1
2
C. Secure support plate to bearing bracket with cap
screws, washers and lock nuts. Make sure that
washers are placed on both sides of rubber mounts.
D. Make sure that bearing support plate is fully
seated against shoulders of rubber mounts and also
is parallel within .120” (3.0 mm) to bearing bracket.
2.
Install flange bearings onto P.T.O. shaft with locking col-
lars orientated toward front of shaft.
Apply antiseize lubricant to flange bearing bores.
Figure 6
2.
1.
P.T.O. shaft
P.T.O. bearing bracket
IMPORTANT: Make sure not to damage hydraulic
lines or other parts while installing the P.T.O. shaft
to machine.
3.
Carefully raise P.T.O. shaft to machine.
Groundsmaster 3280−D/3320
Page 9 − 9
P.T.O. System
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