Graco GM3500 Instructions-Parts List Manual page 27

7. Be sure the face of the rotor (4b) and the field are
free of all oil and contaminants. Remove any burrs
on the outside edge of the rotor. Install the rotor,
lockwashers (11) and capscrews (16). Torque the
capscrews to 125 10 in-lb (14
Fig. 24.
After installing the rotor (4b), check the clearance
between the outside diameter of the rotor and the
inside diameter of the field. The clearance must be
at least 0.010 in. (0.25 mm) all the way around.
Use shim stock or feeler gauge. If necessary,
loosen the setscrews (12) and reposition the field.
Tighten the setscrews evenly to 27
0.33 N m).
8. Pull the engine recoil rope to assure the engine
turns freely, and there is no friction between the
rotor (4b) and the field (6). If there is friction,
loosen the setscrews (12) and reposition the field
as necessary. Tighten the setscrews oppositely
and evenly to 27 3 in-lb (3
make sure there are no burrs on the outside edge
of the rotor.
NOTE: With the autogap style armature, the gap
between the rotor and the armature is critical for
proper operation. The clutch kits with an autogap style
armature include a cardboard spacer (186–857) to set
the proper gap. This spacer is for use only during
installation.
4a
19n,19k
Fig. 24
Reassembly
1.1 N m). See
3 in-lb (3
.33 N m . Also
)
10
11
12
2
4b
11
16
E
15
19
9. Clean the face of the armature (4a). With the flat
side of the armature facing the rotor (4b), slide the
armature onto the hub (F) in the drive/pinion
assembly just until the chamfered end of the hub
(19f) protrudes through the armature. See Detail
B, Fig. 24. There will be significant resistance.
Attach the cardboard spacer, supplied with the
clutch kit, to the face of the armature. Engage the
tabs on the spacer with the slots in the armature.
Brace the cart against a wall to keep it from rolling.
Push the drive/pinion assembly onto the clutch
housing (2). There will be significant resistance.
When the mating surfaces of the drive/pinion
assembly and the clutch housing (2) are flush,
remove the drive/pinion assembly. Remove the
cardboard spacer.
10. Assemble the pinion housing (19) to the clutch
housing (2), using the capscrews (10) and lock-
washers (11). See Fig. 24.
1
48 or 57 (Lo-Boy)
62
Detail B
F
4a
View from under engine mounting
plate on upright cart
Torque to
125 10 in-lb
(14 1.1 N m)
Chamfered end
of hub (19f)
Face must be clean
To engine
14
A
62
Detail A
WHITE
BLACK
RED