Graco GH 16U277, Repair Manual

Page: 30 / 36

Engine Replacement
30 332157A
Engine Replacement
Removal
1. Perform Pressure Relieve Procedure , page 6.
2. Remove screws (79) and washers (78) and belt
cover (67).
3. Remove belt (19), page 22.
4. Remove screws (21), washers (70) and nuts (10)
securing motor (5) to frame.
5. Electric start models only: Disconnect battery
cables and voltage regulator.
6. Remove motor (5) from frame.
Replacing Motor Fan
Removal
a. Loosen and remove bolts (86) on front of fan
(14).
b. Pull fan (14) off small pulley (6).
Installation
a. Position new fan (14) over small pulley (6).
b. Replace bolts (86) and tighten securely.Torque
to 125 + 10 in-lb (14.1 + 1.1 N•m).
Removing Pulley
NOTE: This procedure is only necessary if you are
replacing the motor. When you install a new motor
you reuse the existing pulley.
Removal
a. Loosen set screw (87) located on the side of the
pulley (6).
b. Remove large bolt (24) in the center of pulley
(6).
c. Pull pulley (6) off motor (5).
Installation
a. Position new pulley (6) on motor (5).
b. Install large bolt (24) and washer (65) in center
of pulley (6). Torque to 125 + 10 in-lb
(14.1 + 1.1 N•m).
c. Tighten set screw (87). Torque to 60 + 2 in-lb
(25.4 N•m).
Installation
1. Install motor (5) in frame.
2. Reconnect battery cables and voltage regulator
connection.
3. Replace all screws (21), washers (70) and nuts (10).
Tighten securely.
4. Install belt (19) over pulleys (4, 6), page 22.
5. Replace belt cover (67) and screws (79) and wash-
ers (78) (2 each side). Using a wrench tighten bolts.
Torque to 25-30 in-lb (2.8-3.4 N•m).
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