Reassembly of Burner Blower Drive Motor.
Install new seal (fig. 2-52) in lower case and secure with retainer clip.
Install relief valve (fig. 2-51). If the same valve is being reinstalled, do not change setting.
Install bearings (fig. 2-50) into lower case half. Install tab, as shown in illustration.
Install new seal (fig. 2-49) and install plate, as shown in illustration.
Install two pump gears (fig. 2-48).
Install needle bearings in top case half (fig. 2-47).
Install O-ring (fig. 2-46), tab, and seal.
Mate the motor case halves (fig. 2-45) and secure the four Allen head screws.
Test pump relief valve setting as follows:
Reinstall motor. (Refer to para 2-35.)
Start motor, engage PTO and hydraulic pump control.
Apply 2600 psi pressure to motor inlet port and observe that relief valve cracks
at 2250 psi ± 250.
If adjustment to relief valve (fig. 2-51) is necessary, loosen locknut and turn
Installation of Fuel Pump and Blower. (Refer to fig. 2-42.)
Install fuel pump (35) as follows:
Position pump shaft in blower end cap as shown in figure 2-43, install drive key;
then drive collar on flush with shaft end.
Tighten setscrew through access hole for plug; then install plug.
Drive the pump in from outside end cap until pump is fully seated.
Tighten two setscrews (34, fig. 2-42).
Mount blower end cap (15) and gasket on blower housing and secure with ten one
fourth inch capscrews (14).
Install grease (8 oz. No. 30 engine oil).
Install blower (16) as follows:
Mount coupling (18) on blower shaft and secure with setscrew (31); install spider
Install bushing (46), elbow (45), adapter (44), and air hose (41) and secure with
tap screw (43) and flat washer (42).