Graco ultra max ii User Manual

Drive and Bearing Housing Replacement
34 311365H
Drive and Bearing Housing Replacement
Disassembly
1. Remove screw (31), two nuts (24), pail hanger
(55) and pump rod cover (108).
2. Remove pump (91); see Displacement Pump
Replacement, page 38 (695/795) page 40
(1095/1595/Mark V).
3. Remove two screws (158) and shroud (72).
4. Remove four screws (31) and front cover (51).
5. Remove four screws (14) and washers (12) to
remove bearing housing (83) and connecting
rod (85).
6. Remove five screws (6) and pull drive housing
(90) off motor (84).
Assembly
Make sure gear (89) and thrust washers (28, 30,
90a, 36; see page 29) are in place. Brush grease
onto gear teeth.
1. Push drive housing (90) onto motor (84) and
install with five screws (6). Torque to 190-210
in-lb (21-23 N•m).
2. Install bearing housing (83) with four screws
(14) and washers (12). Torque to 25-30 ft-lb
(34-40 N•m).
3. Install front cover (51) with four screws (31).
4. Install shroud (72) with two screws (158).
5. Install pump (91); see Displacement Pump
Replacement, page 38 (695/795) page 40
(1095/1595/Mark V).
6. Install pump rod cover (108) and pail hanger
(55) with screw (31) and two nuts (24).
NOTICE
Do not drop gear cluster (89) when removing
drive housing (90). Gear cluster may stay
engaged in motor front end bell or drive
housing.
Relieve pressure; page 9.

Graco ultra max ii Specifications

General

Max Pressure	3300 PSI
Motor	Oilless, axial cam
Series	Ultra Max II
Power Source	Electric
Voltage	120V
Hose Length	50 ft
Type	Airless
Max Tip Size	0.017 inches
Spray Tip Size	0.009 - 0.017 inches