AIRLESSCO LP 400, Service & Operation Manual

Page: 19 / 32

16
17
GEAR AND PUMP ASSEMBLY
FIGURE 12
-
Do not operate
machine without cover guard in place.
Servicing Gear Box Assembly
1.
Remove fluid pump as per "Fluid Pump Disconnect"
procedures.
2. Remove frame from the gearbox by loosening the four
mounting screws.
3. Refer to Figure 12. Separate cover assembly from box
by removing bolts from front of cover & back of box &
shoulder bolts from front of cover & back of box.
4. Lay unit on its back and disassemble gearbox.
5. Inspect bearings, Crosshead Assembly, Gearcrank & sleeve
bearing inside cover assembly for wear/damage. Replace
worn/damaged parts.
6. If gear grease needs replacing, replace with gear grease
(Part No. 331-132).
7. Clean mating surfaces of cover and box thoroughly. Use
Part No. 105-331 BLUE XS™ ADVANCED RTV
SILICONE INSTANT GASKET.
8. Reassemble in reverse order.
Part Number Description
331-234 Cover
331-046 Bearing
331-038 Crosshead Assembly
331-406 Gear Crank
331-047 Bearing
331-040 Gearbox Casting *
100-381 Bolt Soc Hd (2)
100-380 Shoulder Bolt (2)
331-088 Retaining Ring
331-065 Pin
331-117 Sleeve
331-062 Retaining Spring
331-209 Fluid Pump Ass’y
100-318 Screw (2)
331-074 Tube Spacer (2)
331-111 Cover Guard
331-061 Sleeve Bearing
115-019 Hose Connector
(1/4 NPSXNPT)
1 331-061 Sleeve Bearing
2 331-103 Washers (2)
3 331-197 Screws (2)
GEARBOX SLEEVE
BEARING REPLACEMENT
NOTE: When replacing item (1),
cover outside of sleeve with clear silicone
prior to inserting into cover assembly.
3
1
2
FIGURE 10 PARTS LIST
ITEM # PART # DESCRIPTION