WARNING
To reduce risk of injury due to sprayer starting unexpectedly, shut off engine before performing checks or service.
1.Fig. 9. Disconnect siphon hose elbow (150a), drain hose (64) and material hose (not shown) from pump outlet. Disconnect cables. Remove screws (21) and front cover (19).
2.Remove four screws (40) and lockwashers (56) from bearing housing (39).
3.Lightly tap back of bearing housing (39) with a plastic mallet. Pull pump, bearing housing and connecting rod away from drive housing (8) as one assembly.
4.Remove bearing housing screws (93) and lock- washer (36) and pinion housing screws (59) and lockwashers (36).
5.Lightly tap around drive housing (8) to loosen drive housing. Pull drive housing straight off pinion housing (58). Be prepared to support combination gear (91), which may also come out.
6.Liberally apply bearing grease (supplied with combination gear) to combination gear (91) and to areas called out by note 2.
7.Place bronze colored washer (8g) and then silver- colored washer (8g) on shaft protruding from big bearing of drive housing (8). Align gears and push new drive housing straight onto pinion housing and locating pins (A).
8.Reassemble sprayer. Or, go to next section in this manual if further service is needed.