PREVOST H3-41 Maintenance Manual page 804

SECTION 18b: X3 SERIES BODY
Installation
1. Align the leading edge of the slot on the lower cam follower block with the sash stop. Use the power
toggle switch to obtain the correct alignment. (Figure 109)
FIGURE 109: PROPER ALIGNMENT
2. Position the left hand lower corner of the sash over the front cam follower block (Figure 110)
FIGURE 110: POSITIONING THE LOWER LEFT CORNER OF THE SASH
3. Engage the sash pin with the leading edge of the slot of the cam follower block. Do the same at the
rear of the sash.
4. Pull down on the release latches and rotate the sash inwards until it is parallel with the window frame.
5. Release the latches to engage the latch pins with the upper cam follower blocks.
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PA1621 Maintenance Manual All Series | Revised Sept 2019
Sash Stop
Lower Cam
Follower