Paint Pump Replacement; Removal; Installation - Graco LineLazer IV 250SPS Repair Manual

Paint Pump Replacement

This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury
from pressurized fluid, such as skin injection,
splashing fluid and moving parts, follow the Pressure
Relief Procedure when you stop spraying and before
cleaning, checking, or servicing the equipment.

Removal

1. Perform Pressure Relief Procedure, page 10.
2. Disconnect suction tube (120).
3. Disconnect hose (123) and fitting (95) from paint
pump (107). Note orientation of fitting (95) for instal-
lation.
4. Remove screw (115), nut (116) and pump guard
(114).
3A2593C Repair
115
116
106
114
105
95
123
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5. Use hammer to loosen pump jam nut (106).
6. Slide down retainer (104) and remove pin (105).
7. Unscrew and remove paint pump (107).

Installation

1. Extend pump rod out of pump (107).
2. Insert pump rod into hydraulic motor rod and install
pin (105) and retainer (104).
3. Thread pump (107) into hydraulic motor housing
until pump bottoms out. Unscrew pump one full turn
and orient pump outlet as noted in Removal, step 3.
4. Use hammer to tighten pump jam nut (106).
5. Install guard (114) with screw (115) and nut (116).
6. Install fitting (95) and connect hose (123).
7. Connect suction tube (120).
104
107
120
Paint Pump Replacement
109
197
110
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